443 Area Code: Location, Cities, Map And Time Zone

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Area code 443 is in Maryland, USA , spanning 16 counties and serving 251 cities , including Baltimore, Ellicott City or Dundalk; it currently uses 785 prefixes , assigned from 443-200-XXXX through 443-998-XXXX.

In service since June 01, 1997, area code 443 is an overlay Numbering Plan Area, part of overlay complex 410/443/667.

The current local time is .

443 area code location on a map
© OpenStreetMap contributorsFor exact NPA boundaries see official 443 area code map

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More Maryland area codes:

  • 227
  • 240
  • 301
  • 410
  • 667

Locate any 443-NXX prefix:

443-200-XXXX --- 443-299-XXXX
NPANXX Carrier1 Area Served2 Date3
443-200 MCIMetro Access Transmission Services Woodlawn 2/21/2001
443-201 New Cingular Wireless PCS Westminster N/A
443-202 Cellco Partnership Baltimore 1/9/2012
443-203 Verizon Maryland West River N/A
443-204 New Cingular Wireless PCS Pikesville 5/15/2003
443-205 Cellco Partnership Cambridge 1/20/2004
443-206 Cellco Partnership Perryville N/A
443-207 Omnipoint Communications Enterprises Elkton N/A
443-208 Omnipoint Communications Cap Operations Baltimore 2/1/2011
443-209 Paetec Itel Havre De Grace N/A
443-210 Omnipoint Communications Cap Operations Salisbury 9/30/2011
443-212 Paetec Itel Sparks Glencoe N/A
443-213 Verizon Maryland Pikesville N/A
443-214 New Cingular Wireless PCS Annapolis 10/11/2011
443-215 Core Communications Chestertown N/A
443-216 Paetec Itel Dundalk N/A
443-217 Core Communications Annapolis N/A
443-218 Level 3 Communications Worthington N/A
443-219 Level 3 Communications Parkville N/A
443-220 Verizon Maryland Baltimore N/A
443-221 Level 3 Communications Annapolis N/A
443-222 Onvoy Worthington N/A
443-223 Cellco Partnership Annapolis N/A
443-224 MCIMetro Access Transmission Services Baltimore N/A
443-225 MetroPCS Cambridge 1/20/2004
443-226 Omnipoint Communications Cap Operations Baltimore N/A
443-227 Paetec Itel Port Deposit N/A
443-228 Paetec Itel Chase N/A
443-229 Paetec Itel Severna Park 5/10/2001
443-230 Paetec Itel Odenton N/A
443-231 Teleport Communications America Essex N/A
443-232 Core Communications Willards N/A
443-233 Paetec Itel Vienna N/A
443-234 Paetec Itel Snow Hill N/A
443-235 Cellco Partnership Salisbury N/A
443-236 Core Communications Cardiff N/A
443-237 Core Communications North Beach N/A
443-238 Paetec Itel Parkton N/A
443-239 New Cingular Wireless PCS Easton 1/20/2004
443-240 New Cingular Wireless PCS Baltimore 1/27/2012
443-241 Onvoy Westminster N/A
443-242 Paetec Itel Sparrows Point 5/10/2001
443-243 Cellco Partnership Fallston N/A
443-244 Level 3 Communications Westminster N/A
443-245 Paetec Itel Elkton N/A
443-246 Core Communications Elkton N/A
443-247 Paetec Itel Union Bridge N/A
443-248 Cellco Partnership Baltimore 1/15/2007
443-249 Verizon Maryland Stevensville N/A
443-250 Omnipoint Communications Cap Operations Baltimore N/A
443-251 Onvoy Catonsville 8/16/2013
443-252 Cellco Partnership Perryville 9/8/2009
443-253 New Cingular Wireless PCS Baltimore N/A
443-254 Omnipoint Communications Cap Operations Annapolis N/A
443-255 New Cingular Wireless PCS Baltimore N/A
443-256 Paetec Itel North East N/A
443-257 Cellco Partnership Baltimore N/A
443-258 New Cingular Wireless PCS Easton N/A
443-259 Verizon Maryland Columbia N/A
443-260 Verizon Maryland Salisbury N/A
443-261 MCIMetro Access Transmission Services Severna Park N/A
443-262 Verizon Maryland Centreville N/A
443-263 Verizon Maryland Baltimore N/A
443-264 Core Communications Pikesville N/A
443-265 Paetec Itel Fork 5/10/2001
443-266 Bandwidth.com Clec Glenwood N/A
443-267 Teleport Communications America Darlington N/A
443-268 Core Communications Baltimore N/A
443-269 Core Communications Towson N/A
443-270 Paetec Itel Glen Burnie N/A
443-271 Omnipoint Communications Cap Operations Baltimore 10/21/2002
443-272 Teleport Communications America Randallstown N/A
443-273 Teleport Communications America Reisterstown N/A
443-274 Verizon Maryland Severn N/A
443-275 Comcast IP Phone Towson N/A
443-276 MCIMetro Access Transmission Services Columbia N/A
443-277 MetroPCS Sykesville N/A
443-278 Vdl Baltimore 10/2/2003
443-279 MCIMetro Access Transmission Services Towson N/A
443-280 New Cingular Wireless PCS Sykesville N/A
443-281 MCIMetro Access Transmission Services Cockeysville N/A
443-282 MetroPCS Chestertown 10/4/2004
443-283 Paetec Itel Columbia N/A
443-284 Core Communications Waterloo N/A
443-285 Verizon Maryland Columbia N/A
443-286 Cellco Partnership Baltimore N/A
443-287 Verizon Maryland Baltimore N/A
443-288 MCIMetro Access Transmission Services Ellicott City N/A
443-289 MCIMetro Access Transmission Services Westminster 5/16/2011
443-290 Level 3 Telecom Of Maryland Parkville N/A
443-291 Level 3 Communications Hampstead N/A
443-292 Level 3 Communications Crofton N/A
443-293 Cellco Partnership Westminster N/A
443-294 Bandwidth.com Clec West River N/A
443-295 Level 3 Communications Prince Frederick N/A
443-296 Level 3 Communications Waterloo N/A
443-297 Teleport Communications America Arbutus N/A
443-298 New Cingular Wireless PCS Easton 11/15/2002
443-299 Cellco Partnership Fallston N/A
443-300-XXXX --- 443-399-XXXX
NPANXX Carrier1 Area Served2 Date3
443-300 Level 3 Communications Sykesville N/A
443-301 New Cingular Wireless PCS Baltimore 4/5/2012
443-302 Level 3 Communications Crofton N/A
443-303 Level 3 Communications Aberdeen N/A
443-304 Bandwidth.com Clec Arbutus N/A
443-305 Level 3 Communications Armiger-Gibson Island N/A
443-306 MetroPCS Severna Park N/A
443-307 Level 3 Communications Bel Air N/A
443-308 MCIMetro Access Transmission Services Severn N/A
443-309 MetroPCS Elkton N/A
443-310 New Cingular Wireless PCS Baltimore N/A
443-312 Level 3 Communications Brooklyn Park-Linthicum N/A
443-313 Level 3 Communications Fork N/A
443-314 Omnipoint Communications Cap Operations Baltimore 2/1/2011
443-315 New Cingular Wireless PCS Catonsville N/A
443-316 Level 3 Communications Woodlawn N/A
443-317 Bandwidth.com Clec Chase N/A
443-318 Paetec Itel Cockeysville N/A
443-319 Paetec Itel Columbia N/A
443-320 Level 3 Communications Baltimore N/A
443-321 Paetec Itel Annapolis N/A
443-322 Paetec Itel Towson 5/10/2001
443-323 Paetec Itel Sharptown N/A
443-324 Omnipoint Communications Cap Operations Baltimore N/A
443-325 Paetec Itel Ellicott City N/A
443-326 New Cingular Wireless PCS Baltimore 2/21/2001
443-327 Paetec Itel Aberdeen N/A
443-328 Paetec Itel Sykesville N/A
443-329 Level 3 Communications Waterloo N/A
443-330 Paetec Itel Cockeysville N/A
443-331 Paetec Itel Taneytown N/A
443-332 Paetec Itel Crofton 5/9/2001
443-333 New Cingular Wireless PCS Annapolis 2/13/2009
443-334 MCIMetro Access Transmission Services Pikesville 3/14/2001
443-335 MetroPCS Brooklyn Park-Linthicum N/A
443-336 Omnipoint Communications Cap Operations Annapolis N/A
443-337 Core Communications Sparrows Point N/A
443-338 Paetec Itel Sparks Glencoe N/A
443-339 Paetec Itel Sherwood Forest N/A
443-340 Cellco Partnership Westminster N/A
443-341 Level 3 Communications Catonsville N/A
443-342 Paetec Itel Solomons N/A
443-343 Teleport Communications America Millersville N/A
443-344 Core Communications Severna Park N/A
443-345 Level 3 Communications Aberdeen N/A
443-346 Core Communications Severna Park N/A
443-347 Paetec Itel Cardiff N/A
443-348 Teleport Communications America Woodlawn N/A
443-349 Core Communications Silver Run N/A
443-350 Cellco Partnership Elkton N/A
443-351 Paetec Itel Odenton N/A
443-352 Level 3 Communications Pikesville N/A
443-353 Verizon Maryland Cockeysville 3/19/2004
443-354 Level 3 Communications Glen Burnie N/A
443-355 Level 3 Communications Ellicott City N/A
443-356 Level 3 Communications Bel Air N/A
443-357 Verizon Maryland Pikesville N/A
443-358 Ymax Communications Corp. Salisbury 2/17/2011
443-359 Cellco Partnership Delmar N/A
443-360 Teleport Communications America Aberdeen N/A
443-361 Core Communications Sykesville N/A
443-362 Omnipoint Communications Cap Operations Easton N/A
443-363 Core Communications Severn N/A
443-364 Teleport Communications America Ellicott City N/A
443-365 Omnipoint Communications Cap Operations Salisbury N/A
443-366 MetroPCS Salisbury 4/17/2001
443-367 Verizon Maryland Columbia N/A
443-368 Core Communications Westminster N/A
443-369 Core Communications Bel Air N/A
443-370 New Cingular Wireless PCS Annapolis N/A
443-371 Level 3 Communications Bel Air N/A
443-372 Paetec Itel Edgewood 3/19/2001
443-373 MetroPCS Ocean City N/A
443-374 Paetec Itel Aberdeen N/A
443-375 MetroPCS Hampstead N/A
443-376 Teleport Communications America Dundalk N/A
443-377 Cellco Partnership Towson 6/9/2010
443-378 Omnipoint Communications Cap Operations Baltimore 7/27/2004
443-379 Comcast IP Phone Pikesville 2/23/2007
443-380 Level 3 Communications Woodlawn N/A
443-381 New Cingular Wireless PCS Reisterstown N/A
443-382 Core Communications Cambridge N/A
443-383 Paetec Itel Silver Run N/A
443-384 Paetec Itel Parkville N/A
443-385 Core Communications Easton N/A
443-386 Cellco Partnership Baltimore N/A
443-387 Core Communications Pocomoke N/A
443-388 Cellco Partnership Baltimore 4/13/2006
443-389 Core Communications Salisbury N/A
443-390 Bandwidth.com Clec Churchville N/A
443-391 Level 3 Communications Cockeysville N/A
443-392 Teleport Communications America Baltimore N/A
443-393 Level 3 Communications Columbia N/A
443-394 Verizon Maryland Pikesville N/A
443-395 Verizon Maryland Aberdeen 8/13/2009
443-396 Level 3 Communications Odenton N/A
443-397 Cellco Partnership Salisbury 4/6/2009
443-398 MetroPCS Sykesville 3/15/2001
443-399 Onvoy Dundalk N/A
443-400-XXXX --- 443-499-XXXX
NPANXX Carrier1 Area Served2 Date3
443-400 MCIMetro Access Transmission Services Brooklyn Park-Linthicum N/A
443-401 Cellco Partnership Baltimore 10/17/2011
443-402 Teleport Communications America Edgewood N/A
443-403 Level 3 Communications Aberdeen 6/20/2001
443-404 MetroPCS Solomons N/A
443-405 Comcast IP Phone Randallstown N/A
443-406 Teleport Communications America Elkton N/A
443-407 MCIMetro Access Transmission Services Dundalk N/A
443-408 MCIMetro Access Transmission Services Sparrows Point N/A
443-409 Paetec Itel Edgewood N/A
443-410 Centurylink Communications Glen Burnie 6/21/2013
443-412 Teleport Communications America Churchville N/A
443-413 Omnipoint Communications Cap Operations Baltimore N/A
443-414 Omnipoint Communications Cap Operations Baltimore N/A
443-415 Omnipoint Communications Cap Operations Baltimore N/A
443-416 Omnipoint Communications Cap Operations Baltimore N/A
443-417 Teleport Communications America Fallston N/A
443-418 Omnipoint Communications Cap Operations Baltimore N/A
443-419 Paetec Itel Glenwood N/A
443-420 Bandwidth.com Clec Ellicott City N/A
443-421 New Cingular Wireless PCS Fork N/A
443-422 New Cingular Wireless PCS Glen Burnie 2/13/2009
443-423 Level 3 Communications Baltimore N/A
443-424 Teleport Communications America Cardiff N/A
443-425 Teleport Communications America Parkville N/A
443-426 Paetec Itel Randallstown N/A
443-427 Core Communications Princess Anne N/A
443-428 Core Communications Cockeysville N/A
443-429 Paetec Itel Woodlawn N/A
443-430 MCIMetro Access Transmission Services Columbia 5/18/2001
443-431 Core Communications Randallstown N/A
443-432 Paetec Itel Prince Frederick N/A
443-433 MCIMetro Access Transmission Services Annapolis 2/21/2001
443-434 Telnyx Federalsburg N/A
443-435 Omnipoint Communications Cap Operations Baltimore 2/1/2011
443-436 Verizon Maryland Woodlawn N/A
443-437 Teleport Communications America Pocomoke 11/1/2004
443-438 Cellco Partnership Baltimore 10/8/2008
443-439 Cellco Partnership Trappe 11/1/2004
443-440 MCIMetro Access Transmission Services Annapolis N/A
443-441 Teleport Communications America Glenwood N/A
443-442 Paetec Itel Parkville 5/9/2001
443-443 Commio Arbutus 11/21/2023
443-444 Verizon Maryland Baltimore N/A
443-445 Verizon Maryland Elkridge N/A
443-446 MCIMetro Access Transmission Services Queenstown 11/1/2004
443-447 New Cingular Wireless PCS Baltimore 12/15/2008
443-448 Comcast IP Phone Denton 11/1/2004
443-449 Paetec Itel Baltimore 3/28/2007
443-450 Level 3 Communications Pikesville N/A
443-451 Paetec Itel Baltimore N/A
443-452 Paetec Itel Baltimore 9/7/2005
443-453 Onvoy Baltimore 10/12/2007
443-454 Omnipoint Communications Cap Operations Annapolis N/A
443-455 Verizon Maryland Baltimore 3/9/2006
443-456 Comcast IP Phone Edgewood N/A
443-457 Teleport Communications America Brooklyn Park-Linthicum N/A
443-458 MCIMetro Access Transmission Services Annapolis N/A
443-459 Paetec Itel Elkridge N/A
443-460 MCIMetro Access Transmission Services Essex N/A
443-461 Paetec Itel Parkville N/A
443-462 Cellco Partnership Baltimore 11/6/2008
443-463 Omnipoint Communications Cap Operations Baltimore N/A
443-464 Paetec Itel Churchville 3/16/2010
443-465 Cellco Partnership Towson N/A
443-466 MetroPCS Elkton N/A
443-467 New Cingular Wireless PCS Baltimore 3/20/2009
443-468 Omnipoint Communications Cap Operations Baltimore 4/4/2007
443-469 New Cingular Wireless PCS Baltimore 3/20/2009
443-470 Paetec Itel Towson 4/29/2008
443-471 Paetec Itel Pikesville N/A
443-472 Level 3 Communications Columbia N/A
443-473 Omnipoint Communications Cap Operations Baltimore 3/28/2007
443-474 New Cingular Wireless PCS Catonsville N/A
443-475 MCIMetro Access Transmission Services Baltimore 6/1/2011
443-476 Verizon Maryland Annapolis N/A
443-477 Cellco Partnership Cambridge 1/13/2007
443-478 Cellco Partnership Baltimore 3/6/2009
443-479 Verizon Maryland Waterloo N/A
443-480 Cellco Partnership Chestertown N/A
443-481 Paetec Itel Annapolis N/A
443-482 Verizon Maryland Annapolis N/A
443-483 Level 3 Communications Cardiff N/A
443-484 Level 3 Communications Edgewood N/A
443-485 Level 3 Communications Elkton N/A
443-486 Level 3 Communications Prince Frederick N/A
443-487 Level 3 Communications Westminster N/A
443-488 New Cingular Wireless PCS Baltimore 6/23/2010
443-489 Teleport Communications America Chase N/A
443-490 Bandwidth.com Clec Edgewood N/A
443-491 Onvoy Parkton N/A
443-492 Level 3 Communications Elkridge N/A
443-493 Cellco Partnership Delmar 3/6/2009
443-494 Bandwidth.com Clec Millersville N/A
443-495 Bandwidth.com Clec Parkville N/A
443-496 MetroPCS Easton N/A
443-497 MetroPCS Salisbury N/A
443-498 MCIMetro Access Transmission Services Catonsville N/A
443-499 Bandwidth.com Clec Jarrettsville N/A
443-500-XXXX --- 443-599-XXXX
NPANXX Carrier1 Area Served2 Date3
443-500 New Cingular Wireless PCS Baltimore 3/20/2009
443-501 Level 3 Communications Pikesville N/A
443-502 Teleport Communications America Havre De Grace N/A
443-503 MCIMetro Access Transmission Services Dundalk N/A
443-504 Paetec Itel Fallston N/A
443-505 Level 3 Communications Essex N/A
443-506 Omnipoint Communications Cap Operations Baltimore N/A
443-507 Teleport Communications America Hampstead N/A
443-508 Paetec Itel Hampstead N/A
443-509 Cellco Partnership Baltimore 2/10/2009
443-510 Cellco Partnership Annapolis 12/4/2007
443-512 Verizon Maryland Edgewood N/A
443-513 New Cingular Wireless PCS Berlin N/A
443-514 Paetec Itel Catonsville N/A
443-515 Cellco Partnership Cambridge 6/8/2009
443-516 Onvoy Sykesville N/A
443-517 Level 3 Communications Glen Burnie N/A
443-518 Verizon Maryland Columbia 12/16/2008
443-519 Level 3 Communications Towson N/A
443-520 New Cingular Wireless PCS Catonsville N/A
443-521 Cellco Partnership Cambridge N/A
443-522 Paetec Itel Reisterstown N/A
443-523 Verizon Maryland Salisbury N/A
443-524 MCIMetro Access Transmission Services Baltimore N/A
443-525 New Cingular Wireless PCS Baltimore 3/20/2009
443-526 Paetec Itel Havre De Grace N/A
443-527 Omnipoint Communications Cap Operations Baltimore 3/19/2001
443-528 Omnipoint Communications Cap Operations Bel Air N/A
443-529 Omnipoint Communications Cap Operations Baltimore 7/22/2008
443-530 Paetec Itel Dundalk N/A
443-531 New Cingular Wireless PCS Baltimore 3/20/2009
443-532 MetroPCS Prince Frederick N/A
443-533 Teleport Communications America Jarrettsville N/A
443-534 Cellco Partnership Annapolis 1/15/2001
443-535 Verizon Maryland Columbia N/A
443-536 MetroPCS Westminster N/A
443-537 Cellco Partnership Columbia N/A
443-538 Omnipoint Communications Cap Operations Columbia 6/20/2001
443-539 Paetec Itel Columbia N/A
443-540 New Cingular Wireless PCS Baltimore N/A
443-541 Paetec Itel Cockeysville N/A
443-542 Comcast IP Phone Columbia N/A
443-543 Verizon Maryland Arbutus N/A
443-544 Paetec Itel Pikesville 5/10/2001
443-545 Level 3 Communications Columbia 5/18/2001
443-546 Verizon Maryland Columbia N/A
443-547 Cellco Partnership Westminster 5/7/2009
443-548 MCIMetro Access Transmission Services Pikesville N/A
443-549 Paetec Itel Dundalk N/A
443-550 Level 3 Communications North Beach N/A
443-551 Level 3 Communications Woodlawn N/A
443-552 Verizon Maryland Baltimore N/A
443-553 Cellco Partnership Elkton N/A
443-554 Omnipoint Communications Cap Operations Chase 7/23/2001
443-556 Verizon Maryland Cockeysville N/A
443-557 MCIMetro Access Transmission Services Glen Burnie N/A
443-558 MCIMetro Access Transmission Services Aberdeen 1/15/2001
443-559 Comcast IP Phone Essex N/A
443-560 Omnipoint Communications Cap Operations Baltimore 7/18/2011
443-561 Paetec Itel Elkridge N/A
443-562 New Cingular Wireless PCS Baltimore N/A
443-563 Omnipoint Communications Cap Operations Baltimore 11/14/2006
443-564 Level 3 Communications Towson N/A
443-565 Paetec Itel Randallstown 5/10/2001
443-566 Cellco Partnership Chesapeake City 9/16/2004
443-567 Level 3 Communications Bel Air N/A
443-568 MCIMetro Access Transmission Services Arbutus N/A
443-569 Level 3 Communications Annapolis N/A
443-570 Omnipoint Communications Cap Operations Baltimore N/A
443-571 Cellco Partnership Baltimore 12/6/2011
443-572 Verizon Maryland Glen Burnie N/A
443-573 Paetec Itel Baltimore N/A
443-574 Paetec Itel Ellicott City N/A
443-575 Paetec Itel Arbutus 5/10/2001
443-576 MCIMetro Access Transmission Services Randallstown 2/21/2001
443-577 Paetec Itel Glen Burnie N/A
443-578 Xo Maryland Cockeysville N/A
443-579 Paetec Itel Essex N/A
443-580 Omnipoint Communications Cap Operations Baltimore 8/25/2011
443-581 Onvoy Chase N/A
443-582 Paetec Itel Churchville N/A
443-583 Paetec Itel Columbia N/A
443-584 Paetec Itel Crofton N/A
443-585 Paetec Itel Darlington N/A
443-586 Core Communications Dundalk N/A
443-587 Paetec Itel Edgewood N/A
443-588 MCIMetro Access Transmission Services Parkville N/A
443-589 Paetec Itel Cockeysville N/A
443-590 Level 3 Communications Reisterstown N/A
443-591 Cellco Partnership Glen Burnie 5/7/2009
443-592 Core Communications Elkridge N/A
443-593 Paetec Itel Elkton N/A
443-594 Level 3 Communications Sparrows Point N/A
443-595 Bandwidth.com Clec Sparks Glencoe N/A
443-596 Core Communications Essex N/A
443-597 MetroPCS Severna Park N/A
443-598 Bandwidth.com Clec Sherwood Forest N/A
443-599 MetroPCS Severn N/A
443-600-XXXX --- 443-699-XXXX
NPANXX Carrier1 Area Served2 Date3
443-600 Omnipoint Communications Cap Operations Essex 7/23/2001
443-601 Paetec Itel Fallston N/A
443-602 Cellco Partnership Baltimore 2/15/2007
443-603 Paetec Itel Annapolis N/A
443-604 Cellco Partnership Baltimore N/A
443-605 Paetec Itel Westminster N/A
443-606 Paetec Itel Fork N/A
443-607 Paetec Itel West River N/A
443-608 New Cingular Wireless PCS Towson 2/27/2009
443-609 Paetec Itel Sykesville N/A
443-610 Cellco Partnership Baltimore N/A
443-612 Verizon Maryland Catonsville N/A
443-613 New Cingular Wireless PCS Towson 2/27/2009
443-614 Cellco Partnership Salisbury 7/23/2001
443-615 Cellco Partnership Baltimore 5/10/2007
443-616 Paetec Itel Bel Air N/A
443-617 Cellco Partnership Fallston 4/11/2005
443-618 Cellco Partnership Glen Burnie N/A
443-619 Cellco Partnership Bel Air 6/5/2009
443-620 Teleport Communications America Waterloo N/A
443-621 Omnipoint Communications Cap Operations Baltimore N/A
443-622 Omnipoint Communications Cap Operations Baltimore N/A
443-623 Omnipoint Communications Cap Operations Glen Burnie 8/20/2002
443-624 Cellco Partnership Prince Frederick 3/6/2002
443-625 Level 3 Communications Fork 2/21/2001
443-626 Paetec Itel Chase 5/10/2001
443-627 Level 3 Communications Baltimore N/A
443-628 Core Communications Glen Burnie N/A
443-629 Omnipoint Communications Cap Operations Baltimore N/A
443-630 Cellco Partnership Baltimore 5/8/2008
443-631 New Cingular Wireless PCS Catonsville 8/16/2005
443-632 Paetec Itel Towson N/A
443-633 Omnipoint Communications Cap Operations Baltimore 7/18/2011
443-634 Verizon Maryland Waterloo 11/9/2011
443-635 New Cingular Wireless PCS Baltimore 10/14/2009
443-636 Omnipoint Communications Cap Operations Catonsville N/A
443-637 MCIMetro Access Transmission Services Armiger-Gibson Island 2/21/2001
443-638 Global Naps South Ellicott City N/A
443-639 Paetec Itel Hampstead N/A
443-640 Paetec Itel Bel Air 5/18/2001
443-641 Level 3 Communications Pikesville 5/18/2001
443-642 Cellco Partnership Baltimore 11/8/2006
443-643 Verizon Maryland Bel Air N/A
443-644 Paetec Itel Jarrettsville N/A
443-645 Paetec Itel Millersville N/A
443-646 Paetec Itel North Beach N/A
443-647 Paetec Itel New Windsor N/A
443-648 Teleport Communications America Essex N/A
443-649 Paetec Itel Sparrows Point 6/20/2001
443-650 MCIMetro Access Transmission Services Reisterstown 2/20/2001
443-651 Cellco Partnership Baltimore 7/8/2011
443-652 Omnipoint Communications Cap Operations Towson N/A
443-653 Omnipoint Communications Cap Operations Parkville 5/18/2001
443-654 Verizon Maryland Waterloo 8/28/2008
443-655 New Cingular Wireless PCS Bel Air N/A
443-656 Paetec Itel Columbia 5/10/2001
443-657 Level 3 Telecom Of Maryland Randallstown N/A
443-658 Onvoy Woodlawn N/A
443-659 Onvoy West River N/A
443-660 Comcast IP Phone Pikesville N/A
443-661 Paetec Itel Waterloo N/A
443-662 Paetec Itel Sparks Glencoe 5/10/2001
443-663 Verizon Maryland Woodlawn N/A
443-664 Paetec Itel Ocean City N/A
443-665 Core Communications Nanticoke N/A
443-666 Level 3 Communications Chestertown 5/23/2012
443-667 Cellco Partnership Delmar 05/16/2023
443-668 New Cingular Wireless PCS Catonsville 1/15/2001
443-669 Paetec Itel Delmar N/A
443-670 Paetec Itel Catonsville 5/10/2001
443-671 Teleport Communications America New Windsor N/A
443-672 Teleport Communications America Parkton N/A
443-673 Paetec Itel Brooklyn Park-Linthicum 5/10/2001
443-674 Teleport Communications America North East N/A
443-675 Paetec Itel Randallstown N/A
443-676 New Cingular Wireless PCS Baltimore 6/20/2001
443-677 Omnipoint Communications Cap Operations Baltimore 3/15/2001
443-678 Verizon Maryland Parkville N/A
443-679 Teleport Communications America Severn N/A
443-680 Omnipoint Communications Cap Operations Baltimore 9/27/2010
443-681 Cellco Partnership Baltimore 6/5/2009
443-682 Cellco Partnership Baltimore 12/19/2006
443-683 Cellco Partnership Baltimore 4/9/2007
443-684 Cellco Partnership Prince Frederick 10/8/2008
443-685 Paetec Itel Severn N/A
443-686 Cellco Partnership Fallston N/A
443-687 Cellco Partnership Baltimore 9/8/2009
443-688 Paetec Itel Severn 5/10/2001
443-689 Paetec Itel Cockeysville 5/10/2001
443-690 Cellco Partnership Baltimore N/A
443-691 New Cingular Wireless PCS Baltimore 1/15/2001
443-692 MCIMetro Access Transmission Services Baltimore N/A
443-693 Teleport Communications America Perryville N/A
443-694 MetroPCS Severna Park 4/20/2001
443-695 Cellco Partnership Baltimore N/A
443-696 Paetec Itel Dundalk 5/10/2001
443-697 Global Naps South Catonsville N/A
443-698 Teleport Communications America Odenton N/A
443-699 Cellco Partnership Annapolis 8/10/2011
443-701-XXXX --- 443-799-XXXX
NPANXX Carrier1 Area Served2 Date3
443-701 MCIMetro Access Transmission Services Arbutus N/A
443-702 Paetec Itel Armiger-Gibson Island 5/10/2001
443-703 MCIMetro Access Transmission Services Baltimore N/A
443-704 Paetec Itel Odenton 5/10/2001
443-705 Cellco Partnership Cockeysville N/A
443-706 Paetec Itel Crisfield N/A
443-707 Omnipoint Communications Cap Operations Aberdeen 6/11/2014
443-708 Level 3 Telecom Of Maryland Baltimore N/A
443-709 Paetec Itel Arbutus N/A
443-710 MCIMetro Access Transmission Services Catonsville N/A
443-712 Paetec Itel Reisterstown N/A
443-713 Peerless Network Of Maryland Glen Burnie 9/19/2012
443-714 New Cingular Wireless PCS Annapolis 9/30/2011
443-715 Paetec Itel North East N/A
443-716 Paetec Itel Annapolis N/A
443-717 Cellco Partnership Baltimore 9/14/2005
443-718 Paetec Itel Columbia 3/5/2008
443-719 Paetec Itel Jarrettsville N/A
443-720 MCIMetro Access Transmission Services Aberdeen 11/27/2012
443-721 Cellco Partnership Baltimore 7/6/2009
443-722 Omnipoint Communications Cap Operations Baltimore 3/9/2001
443-723 Omnipoint Communications Cap Operations Baltimore 10/6/2011
443-724 Paetec Itel Easton N/A
443-725 Paetec Itel Parkville N/A
443-726 Omnipoint Communications Cap Operations Baltimore 10/6/2011
443-727 Paetec Itel Bishopville N/A
443-728 Paetec Itel Berlin N/A
443-729 Paetec Itel Woodlawn N/A
443-730 Paetec Itel Essex N/A
443-731 Teleport Communications America Port Deposit N/A
443-732 Teleport Communications America Silver Run N/A
443-733 Teleport Communications America Waterloo N/A
443-734 Verizon Maryland Severn N/A
443-735 New Cingular Wireless PCS Salisbury N/A
443-736 New Cingular Wireless PCS Salisbury N/A
443-737 Paetec Itel Waterloo N/A
443-738 Paetec Itel Pikesville N/A
443-739 Omnipoint Communications Cap Operations Baltimore 7/23/2001
443-740 Level 3 Communications Baltimore 2/3/2005
443-741 MCIMetro Access Transmission Services Columbia 3/29/2011
443-742 New Cingular Wireless PCS Baltimore N/A
443-743 Cellco Partnership Baltimore 4/7/2008
443-744 MetroPCS Reisterstown 7/2/2002
443-745 Cellco Partnership Columbia N/A
443-746 Level 3 Communications Easton 2/22/2002
443-747 Core Communications Port Deposit 2/22/2002
443-748 Paetec Itel Millersville 5/11/2001
443-749 Paetec Itel Glen Burnie N/A
443-750 Cellco Partnership Baltimore 6/8/2010
443-751 Paetec Itel Woodlawn 5/11/2001
443-752 Cellco Partnership Bel Air 10/17/2001
443-753 MCIMetro Access Transmission Services Waterloo N/A
443-754 Cellco Partnership Salisbury 6/9/2010
443-755 Verizon Maryland Waterloo N/A
443-756 New Cingular Wireless PCS Baltimore N/A
443-757 Paetec Itel Elkridge 5/11/2001
443-758 Cellco Partnership Annapolis N/A
443-759 Cellco Partnership Baltimore 10/29/2007
443-760 AT&T Aberdeen N/A
443-761 Omnipoint Communications Cap Operations Towson 5/28/2008
443-762 Omnipoint Communications Cap Operations Baltimore 1/10/2001
443-763 Omnipoint Communications Cap Operations Glen Burnie N/A
443-764 Omnipoint Communications Cap Operations Glen Burnie 8/21/2008
443-765 New Cingular Wireless PCS Catonsville 7/23/2001
443-766 Paetec Itel Columbia 5/18/2005
443-767 Paetec Itel Worthington 5/11/2001
443-768 Omnipoint Communications Cap Operations Baltimore 5/18/2001
443-769 Omnipoint Communications Cap Operations Baltimore 9/16/2008
443-770 Verizon Maryland Armiger-Gibson Island N/A
443-771 Cellco Partnership Prince Frederick 9/8/2010
443-772 Paetec Itel Essex 7/23/2001
443-773 MCIMetro Access Transmission Services Brooklyn Park-Linthicum N/A
443-774 New Cingular Wireless PCS Columbia 11/19/2018
443-775 Cellco Partnership Annapolis 10/8/2014
443-776 Bandwidth.com Clec Elkridge 1/17/2014
443-777 Verizon Maryland Essex N/A
443-778 Verizon Maryland Waterloo N/A
443-779 MCIMetro Access Transmission Services Aberdeen N/A
443-780 Paetec Itel Woodlawn 7/23/2001
443-781 Onvoy Armiger-Gibson Island N/A
443-782 MCIMetro Access Transmission Services Annapolis N/A
443-783 Cellco Partnership Salisbury N/A
443-784 Teleport Communications America Armiger-Gibson Island N/A
443-785 Onvoy Arbutus N/A
443-786 Cellco Partnership Easton N/A
443-787 Paetec Itel Bel Air N/A
443-788 Omnipoint Communications Cap Operations Aberdeen 12/14/2013
443-789 New Cingular Wireless PCS Westminster N/A
443-790 Omnipoint Communications Cap Operations Glen Burnie 11/19/2001
443-791 New Cingular Wireless PCS Towson N/A
443-792 Verizon Maryland Brooklyn Park-Linthicum 10/18/2007
443-793 MCIMetro Access Transmission Services Parkville N/A
443-794 New Cingular Wireless PCS Baltimore N/A
443-795 MCIMetro Access Transmission Services Severn N/A
443-796 MCIMetro Access Transmission Services Pikesville N/A
443-797 MCIMetro Access Transmission Services Towson N/A
443-798 Level 3 Telecom Of Maryland Towson N/A
443-799 New Cingular Wireless PCS Baltimore 7/23/2001
443-800-XXXX --- 443-899-XXXX
NPANXX Carrier1 Area Served2 Date3
443-800 Omnipoint Communications Cap Operations Baltimore 1/31/2011
443-801 Omnipoint Communications Cap Operations Baltimore N/A
443-802 Omnipoint Communications Cap Operations Baltimore N/A
443-803 Omnipoint Communications Cap Operations Baltimore N/A
443-804 Omnipoint Communications Cap Operations Baltimore N/A
443-805 Omnipoint Communications Cap Operations Glen Burnie 7/24/2008
443-806 Omnipoint Communications Cap Operations Baltimore 3/8/2006
443-807 MetroPCS Fallston N/A
443-808 Bandwidth.com Clec Annapolis 4/4/2014
443-809 Level 3 Communications Towson 6/13/2014
443-810 Omnipoint Communications Cap Operations Baltimore 9/4/2008
443-812 Cellco Partnership Columbia 1/15/2001
443-813 Cellco Partnership Baltimore 9/14/2007
443-814 Cellco Partnership Baltimore 6/15/2010
443-815 MCIMetro Access Transmission Services Essex N/A
443-816 MCIMetro Access Transmission Services Severna Park N/A
443-817 MCIMetro Access Transmission Services Armiger-Gibson Island N/A
443-818 Level 3 Communications Armiger-Gibson Island 12/30/2005
443-819 Omnipoint Communications Cap Operations Bel Air 1/21/2015
443-820 Paetec Itel Elkridge N/A
443-821 MetroPCS Westminster 7/13/2010
443-822 Omnipoint Communications Cap Operations Annapolis N/A
443-823 Cellco Partnership Towson 7/13/2006
443-824 Omnipoint Communications Cap Operations Towson 5/18/2001
443-825 Omnipoint Communications Cap Operations Baltimore 11/29/2006
443-826 Cellco Partnership Baltimore 6/25/2010
443-827 Cellco Partnership Baltimore N/A
443-828 Paetec Itel Ellicott City 5/11/2001
443-829 Omnipoint Communications Cap Operations Baltimore N/A
443-830 Paetec Itel Catonsville 8/21/2001
443-831 New Cingular Wireless PCS Baltimore N/A
443-832 Level 3 Communications Columbia N/A
443-833 Paetec Itel Arbutus N/A
443-834 Cellco Partnership Towson N/A
443-835 Cellco Partnership Baltimore 12/11/2008
443-836 MCIMetro Access Transmission Services Baltimore 1/21/2013
443-837 Paetec Itel Annapolis 9/24/2001
443-838 New Cingular Wireless PCS Baltimore N/A
443-839 Omnipoint Communications Cap Operations Baltimore 4/17/2006
443-840 New Cingular Wireless PCS Catonsville 5/4/2005
443-841 Verizon Maryland Towson N/A
443-842 Cellco Partnership Baltimore 3/10/2011
443-843 Verizon Maryland Havre De Grace N/A
443-844 Cellco Partnership Baltimore 2/13/2006
443-845 Cellco Partnership Baltimore N/A
443-846 New Cingular Wireless PCS Towson N/A
443-847 Cellco Partnership Towson 10/12/2006
443-848 Omnipoint Communications Cap Operations Glen Burnie N/A
443-849 Verizon Maryland Towson 5/18/2001
443-850 Omnipoint Communications Cap Operations Baltimore 9/24/2001
443-851 Omnipoint Communications Cap Operations Catonsville 8/21/2001
443-852 New Cingular Wireless PCS Annapolis 8/21/2001
443-853 Cellco Partnership Baltimore 7/27/2010
443-854 Omnipoint Communications Cap Operations Baltimore 11/19/2001
443-855 Paetec Itel Aberdeen 5/20/2005
443-856 Core Communications Ocean City 7/2/2002
443-857 Omnipoint Communications Cap Operations Baltimore N/A
443-858 Omnipoint Communications Cap Operations Baltimore N/A
443-859 Omnipoint Communications Cap Operations Salisbury N/A
443-860 New Cingular Wireless PCS Catonsville 5/4/2005
443-861 Verizon Maryland Aberdeen 8/13/2009
443-862 Cellco Partnership Towson 10/7/2011
443-863 Cellco Partnership Baltimore 8/9/2010
443-864 MetroPCS Columbia 12/19/2001
443-865 Omnipoint Communications Cap Operations Baltimore 4/19/2002
443-866 Omnipoint Communications Cap Operations Bel Air 7/2/2002
443-867 Paetec Itel Glen Burnie N/A
443-868 Verizon Maryland Essex N/A
443-869 Cellco Partnership Baltimore 6/12/2006
443-870 Level 3 Telecom Of Maryland Pikesville N/A
443-871 Omnipoint Communications Cap Operations Annapolis N/A
443-872 Paetec Itel Baltimore N/A
443-873 Onvoy Baltimore 2/23/2010
443-874 Paetec Itel Baltimore N/A
443-875 New Cingular Wireless PCS Annapolis N/A
443-876 Omnipoint Communications Cap Operations Bel Air N/A
443-877 Level 3 Communications North East N/A
443-878 Cellco Partnership Columbia N/A
443-879 Verizon Maryland Dundalk N/A
443-880 Teleport Communications America Salisbury N/A
443-881 MetroPCS Reisterstown N/A
443-882 Omnipoint Communications Cap Operations Baltimore 2/1/2011
443-883 Teleport Communications America Glen Burnie N/A
443-884 Paetec Itel Baltimore N/A
443-885 Verizon Maryland Baltimore N/A
443-886 Teleport Communications America Cockeysville N/A
443-887 Paetec Itel Catonsville 5/5/2010
443-888 Paetec Itel Princess Anne 1/6/2011
443-889 Omnipoint Communications Cap Operations Glen Burnie 4/20/2001
443-890 Cellco Partnership Baltimore 8/10/2011
443-891 MCIMetro Access Transmission Services Glen Burnie N/A
443-892 Bandwidth.com Clec New Windsor 8/11/2011
443-893 MCIMetro Access Transmission Services Woodlawn N/A
443-894 Omnipoint Communications Cap Operations Baltimore 6/30/2011
443-895 Cellco Partnership Towson 4/9/2007
443-896 Teleport Communications America Columbia N/A
443-897 New Cingular Wireless PCS Baltimore 4/12/2011
443-898 Level 3 Communications Pikesville 12/8/2005
443-899 Level 3 Communications Waterloo N/A
443-900-XXXX --- 443-998-XXXX
NPANXX Carrier1 Area Served2 Date3
443-900 Cellco Partnership Towson 5/23/2012
443-901 Paetec Itel Towson 8/21/2001
443-902 Cellco Partnership Baltimore 1/6/2011
443-903 Cellco Partnership Bel Air 9/7/2011
443-904 Cellco Partnership Baltimore 10/17/2001
443-905 New Cingular Wireless PCS Annapolis 8/12/2011
443-906 Peerless Network Of Maryland Severna Park 9/20/2012
443-907 Cellco Partnership Elkton 4/20/2001
443-908 Cellco Partnership Baltimore 6/29/2011
443-909 Cellco Partnership Baltimore 8/9/2006
443-910 New Cingular Wireless PCS Bel Air 4/20/2001
443-912 Core Communications Towson 7/2/2002
443-913 Omnipoint Communications Cap Operations Baltimore 6/30/2011
443-914 Teleport Communications America Worthington N/A
443-915 Cellco Partnership Baltimore 9/7/2011
443-916 Omnipoint Communications Cap Operations Baltimore 8/22/2011
443-917 Onvoy Columbia 10/7/2011
443-918 Teleport Communications America Taneytown N/A
443-919 Paetec Itel Baltimore N/A
443-920 Teleport Communications America Sykesville N/A
443-921 Paetec Itel Towson N/A
443-922 Paetec Itel Edgewood 2/7/2006
443-923 Paetec Itel Baltimore 5/11/2001
443-924 Cellco Partnership Annapolis 7/6/2009
443-925 Omnipoint Communications Cap Operations Baltimore 2/24/2006
443-926 Level 3 Communications Annapolis N/A
443-927 Level 3 Communications Baltimore N/A
443-928 Cellco Partnership Baltimore 9/24/2001
443-929 Omnipoint Communications Cap Operations Pikesville 4/20/2001
443-930 Cellco Partnership Baltimore 4/6/2011
443-931 MCIMetro Access Transmission Services Baltimore 10/24/2011
443-932 Omnipoint Communications Cap Operations Baltimore 8/22/2011
443-933 Teleport Communications America Cockeysville 4/20/2004
443-934 Cellco Partnership Baltimore 12/4/2007
443-935 New Cingular Wireless PCS Towson 7/31/2006
443-936 New Cingular Wireless PCS Elkridge 2/23/2017
443-937 Teleport Communications America Union Bridge N/A
443-938 Cellco Partnership Baltimore 8/6/2007
443-939 Omnipoint Communications Cap Operations Baltimore 9/23/2002
443-940 Paetec Itel Pikesville 8/21/2001
443-941 New Cingular Wireless PCS Elkton 9/7/2011
443-942 Teleport Communications America Severna Park N/A
443-943 Teleport Communications America Sparrows Point N/A
443-944 Comcast IP Phone Salisbury 6/8/2006
443-945 New Cingular Wireless PCS Elkton 7/2/2002
443-946 Core Communications Parkville N/A
443-947 Paetec Itel Perryville N/A
443-948 Omnipoint Communications Cap Operations Baltimore 8/22/2011
443-949 Comcast IP Phone Annapolis 6/28/2006
443-951 Level 3 Communications Annapolis N/A
443-952 Cellco Partnership Westminster 9/7/2011
443-953 Cellco Partnership Salisbury 9/7/2011
443-954 Paetec Itel Baltimore 7/6/2005
443-955 Cellco Partnership Baltimore 3/13/2006
443-956 New Cingular Wireless PCS Baltimore N/A
443-957 AT&T Baltimore N/A
443-960 Cellco Partnership Glen Burnie 10/7/2011
443-961 Intrado Communications Baltimore 12/23/2014
443-962 Cellco Partnership Glen Burnie 9/14/2007
443-963 Bandwidth.com Clec Baltimore N/A
443-964 Level 3 Communications North Beach 5/12/2006
443-965 Omnipoint Communications Cap Operations Baltimore 6/21/2006
443-966 Cellco Partnership Fallston 9/13/2006
443-967 Verizon Maryland North East 4/20/2001
443-968 New Cingular Wireless PCS Prince Frederick N/A
443-969 Paetec Itel Essex 5/11/2001
443-970 Cellco Partnership Baltimore 11/21/2011
443-971 Bandwidth.com Clec Taneytown 2/16/2011
443-972 Paetec Itel Cambridge 11/21/2011
443-973 MCIMetro Access Transmission Services Ellicott City N/A
443-974 Teleport Communications America Westminster N/A
443-975 New Cingular Wireless PCS Prince Frederick N/A
443-977 Cellco Partnership Baltimore 10/12/2006
443-978 Cellco Partnership Salisbury 11/21/2011
443-979 Cellco Partnership Columbia 11/21/2011
443-980 New Cingular Wireless PCS Catonsville N/A
443-981 Cellco Partnership Fallston 11/21/2011
443-982 Ymax Communications Corp. Baltimore 5/30/2007
443-983 Omnipoint Communications Cap Operations Baltimore 7/2/2002
443-984 Verizon Maryland Baltimore N/A
443-985 Omnipoint Communications Cap Operations Randallstown 6/20/2001
443-986 Cellco Partnership Baltimore 7/13/2006
443-987 Cellco Partnership Bel Air N/A
443-988 Level 3 Communications Centreville 6/8/2006
443-989 Paetec Itel Glen Burnie 5/11/2001
443-990 Bandwidth.com Clec Baltimore 2/4/2011
443-991 Cellco Partnership Towson 12/1/2011
443-992 Level 3 Communications Baltimore N/A
443-993 MetroPCS Elkton 12/13/2010
443-994 New Cingular Wireless PCS Annapolis N/A
443-995 New Cingular Wireless PCS Annapolis N/A
443-996 New Cingular Wireless PCS Catonsville N/A
443-997 Verizon Maryland Baltimore N/A
443-998 Verizon Maryland Parkville 3/19/2001
  1. NPA-NXX assigned carrier; with Number Pooling thousand block numbers are often assigned to other carriers as well; moreover, phone numbers can be ported between service providers
  2. For 'Area served' we list the rate center. In the North American Numbering Plan a rate center is a geographic area used to determine local calling boundaries for billing purposes. Its name is generally a locality, often not the only one served by an NPA-NXX combination.
  3. Assignment date. N/A - mostly central office codes assigned before 2001.
  4. NXX prefixes last updated: November 22, 2025

Cities in area code 443

City1 County Time Zone1
Aberdeen Harford E
Aberdeen Proving Ground Harford E
Abingdon Harford E
Allen Wicomico E
Annapolis Anne Arundel E
Annapolis Junction Howard E
Arnold Anne Arundel E
Baldwin Baltimore E
Baltimore Baltimore City E
Barclay Queen Annes E
Barstow Calvert E
Bel Air Harford E
Belcamp Harford E
Benson Harford E
Berlin Worcester E
Bethlehem Caroline E
Betterton Kent E
Bishopville Worcester E
Bivalve Wicomico E
Boring Baltimore E
Bozman Talbot E
Brooklandville Baltimore E
Brooklyn Baltimore City E
Broomes Island Calvert E
Butler Baltimore E
Cambridge Dorchester E
Catonsville Baltimore E
Cecilton Cecil E
Centreville Queen Annes E
Charlestown Cecil E
Chase Baltimore E
Chesapeake Beach Calvert E
Chesapeake City Cecil E
Chester Queen Annes E
Chestertown Kent E
Childs Cecil E
Church Creek Dorchester E
Church Hill Queen Annes E
Churchton Anne Arundel E
Churchville Harford E
Claiborne Talbot E
Clarksville Howard E
Cockeysville Baltimore E
Colora Cecil E
Columbia Howard E
Conowingo Cecil E
Cooksville Howard E
Cordova Talbot E
Crapo Dorchester E
Crisfield Somerset E
Crocheron Dorchester E
Crofton Anne Arundel E
Crownsville Anne Arundel E
Crumpton Queen Annes E
Curtis Bay Anne Arundel E
Darlington Harford E
Davidsonville Anne Arundel E
Dayton Howard E
Deal Island Somerset E
Deale Anne Arundel E
Delmar Wicomico E
Denton Caroline E
Dhs Howard E
Dowell Calvert E
Dundalk Baltimore E
Dunkirk Calvert E
Earleville Cecil E
East New Market Dorchester E
Easton Talbot E
Eden Worcester E
Edgewater Anne Arundel E
Edgewood Harford E
Elk Mills Cecil E
Elkridge Howard E
Elkton Cecil E
Ellicott City Howard E
Essex Baltimore E
Ewell Somerset E
Fallston Harford E
Federalsburg Caroline E
Finksburg Carroll E
Fishing Creek Dorchester E
Forest Hill Harford E
Fork Baltimore E
Fort George G Meade Anne Arundel E
Fort Howard Baltimore E
Freeland Baltimore E
Fruitland Wicomico E
Fulton Howard E
Galena Kent E
Galesville Anne Arundel E
Gambrills Anne Arundel E
Georgetown Cecil E
Gibson Island Anne Arundel E
Girdletree Worcester E
Glen Arm Baltimore E
Glen Burnie Anne Arundel E
Glenelg Howard E
Glenwood Howard E
Glyndon Baltimore E
Goldsboro Caroline E
Grasonville Queen Annes E
Greensboro Caroline E
Gunpowder Harford E
Gwynn Oak Baltimore E
Halethorpe Baltimore E
Hampstead Carroll E
Hanover Anne Arundel E
Harmans Anne Arundel E
Harwood Anne Arundel E
Havre De Grace Harford E
Hebron Wicomico E
Henderson Caroline E
Hillsboro Caroline E
Hunt Valley Baltimore E
Huntingtown Calvert E
Hurlock Dorchester E
Hydes Baltimore E
Ingleside Queen Annes E
Jarrettsville Harford E
Jessup Howard E
Joppa Harford E
Kennedyville Kent E
Keymar Carroll E
Kingsville Baltimore E
Lineboro Carroll E
Linkwood Dorchester E
Linthicum Heights Anne Arundel E
Lisbon Howard E
Long Green Baltimore E
Lothian Anne Arundel E
Lusby Calvert E
Lutherville Timonium Baltimore E
Madison Dorchester E
Manchester Carroll E
Manokin Somerset E
Mardela Springs Wicomico E
Marion Station Somerset E
Marriottsville Carroll E
Marydel Caroline E
Maryland Line Baltimore E
Massey Kent E
Mayo Anne Arundel E
McDaniel Talbot E
Middle River Baltimore E
Millersville Anne Arundel E
Millington Kent E
Monkton Baltimore E
Nanticoke Wicomico E
Neavitt Talbot E
New Windsor Carroll E
Newark Worcester E
Newcomb Talbot E
North Beach Calvert E
North East Cecil E
Nottingham Baltimore E
Ocean City Worcester E
Odenton Anne Arundel E
Owings Mills Baltimore E
Oxford Talbot E
Parkton Baltimore E
Parkville Baltimore E
Parsonsburg Wicomico E
Pasadena Anne Arundel E
Perry Hall Baltimore E
Perry Point Cecil E
Perryman Harford E
Perryville Cecil E
Phoenix Baltimore E
Pikesville Baltimore E
Pittsville Wicomico E
Pocomoke City Worcester E
Port Deposit Cecil E
Port Republic Calvert E
Powellville Wicomico E
Preston Caroline E
Price Queen Annes E
Prince Frederick Calvert E
Princess Anne Somerset E
Pylesville Harford E
Quantico Wicomico E
Queen Anne Queen Annes E
Queenstown Queen Annes E
Randallstown Baltimore E
Rehobeth Somerset E
Reisterstown Baltimore E
Rhodesdale Dorchester E
Riderwood Baltimore E
Ridgely Caroline E
Rising Sun Cecil E
Riva Anne Arundel E
Rock Hall Kent E
Rosedale Baltimore E
Royal Oak Talbot E
Salisbury Wicomico E
Savage Howard E
Secretary Dorchester E
Severn Anne Arundel E
Severna Park Anne Arundel E
Shady Side Anne Arundel E
Sharptown Wicomico E
Sherwood Talbot E
Showell Worcester E
Simpsonville Howard E
Snow Hill Worcester E
Solomons Calvert E
Sparks Glencoe Baltimore E
Sparrows Point Baltimore E
St Leonard Calvert E
St Michaels Talbot E
Stevenson Baltimore E
Stevensville Queen Annes E
Still Pond Kent E
Stockton Worcester E
Street Harford E
Sudlersville Queen Annes E
Sunderland Calvert E
Sykesville Carroll E
Taneytown Carroll E
Taylors Island Dorchester E
Templeville Caroline E
Tilghman Talbot E
Toddville Dorchester E
Towson Baltimore E
Tracys Landing Anne Arundel E
Trappe Talbot E
Tyaskin Wicomico E
Tylerton Somerset E
Union Bridge Carroll E
Upper Fairmount Somerset E
Upper Falls Baltimore E
Upperco Baltimore E
Vienna Dorchester E
Warwick Cecil E
West Friendship Howard E
West River Anne Arundel E
Westminster Carroll E
Westover Somerset E
Whaleyville Worcester E
White Hall Harford E
White Marsh Baltimore E
Whiteford Harford E
Willards Wicomico E
Windsor Mill Baltimore E
Wingate Dorchester E
Wittman Talbot E
Woodbine Howard E
Woodstock Howard E
Woolford Dorchester E
Worton Kent E
Wye Mills Talbot E
  1. Listed above are most places served by USA area code 443. When multiple places in a US state share the same name we list the largest one only. Cities with population over 50,000 are displayed in bold text.
  2. E stands for Eastern Time (currently ).
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