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

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Area code 631 is in New York, USA , spanning 1 county and serving 106 cities , including Brentwood, West Babylon or Coram; it currently uses 782 prefixes , assigned from 631-200-XXXX through 631-999-XXXX.

In service since November 01, 1999, area code 631 is the parent Numbering Plan Area in overlay complex 631/934.

The current local time is .

631 area code location on a map
© OpenStreetMap contributorsFor exact NPA boundaries see official 631 area code map

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Locate any 631-NXX prefix:

631-200-XXXX --- 631-299-XXXX
NPANXX Carrier1 Area Served2 Date3
631-200 MCIMetro Access Transmission Services Bayport 12/8/2003
631-201 Onvoy Amityville 2/8/2016
631-202 Onvoy Ronkonkoma 2/9/2016
631-203 Onvoy Central Islip N/A
631-204 Verizon New York Southampton N/A
631-205 Verizon New York Yaphank N/A
631-206 Verizon New York Bay Shore N/A
631-207 Verizon New York Patchogue N/A
631-208 Verizon New York Riverhead N/A
631-209 Verizon New York Shoreham N/A
631-210 Paetec Itel Islip N/A
631-212 Onvoy Commack 2/15/2016
631-213 Tc Systems Midland N/A
631-214 Cablevision Lightpath Deer Park 5/21/2015
631-215 MetroPCS Brentwood 4/22/2016
631-216 Verizon New York Stony Brook N/A
631-217 American Network Stony Brook N/A
631-218 Verizon New York Sayville N/A
631-219 Cellco Partnership Brentwood 10/13/2003
631-220 Omnipoint Communications Brentwood N/A
631-221 Verizon New York Nassau Zone 09 N/A
631-223 MCIMetro Access Transmission Services Huntington N/A
631-224 Verizon New York Islip N/A
631-225 Verizon New York Lindenhst N/A
631-226 Verizon New York Lindenhst N/A
631-227 Paetec Itel Farmingdale N/A
631-228 MCIMetro Access Transmission Services Shoreham N/A
631-229 MCIMetro Access Transmission Services Amityville N/A
631-230 Peerless Network Of New York Montauk Point 9/6/2012
631-231 Verizon New York Brentwood N/A
631-232 Verizon New York Central Islip N/A
631-233 Verizon New York Brentwood N/A
631-234 Verizon New York Central Islip N/A
631-235 Cellco Partnership Brentwood 10/18/2002
631-236 Level 3 Communications Brentwood N/A
631-237 Cablevision Lightpath Bridgehampton 9/25/2001
631-238 Cablevision Lightpath Montauk Point 9/25/2001
631-239 Tc Systems Northport N/A
631-240 Level 3 Communications Smithtown 10/30/2001
631-241 Cellco Partnership Brentwood 6/5/2003
631-242 Verizon New York Deer Park N/A
631-243 Verizon New York Deer Park N/A
631-244 Verizon New York Sayville N/A
631-245 New Cingular Wireless PCS Brentwood 8/16/2005
631-246 Verizon New York Stony Brook N/A
631-247 Tc Systems Farmingdale N/A
631-248 Peerless Network Of New York East Hampton 9/6/2012
631-249 Verizon New York Farmingdale N/A
631-250 Cablevision Lightpath St James 4/9/2013
631-251 Level 3 Communications Sag Harbor N/A
631-252 Cellco Partnership Brentwood 2/4/2003
631-253 Verizon New York Midland N/A
631-254 Verizon New York Deer Park N/A
631-255 New Cingular Wireless PCS Riverhead 7/22/2002
631-256 Tc Systems Sayville N/A
631-257 Cablevision Lightpath Smithtown 5/30/2012
631-258 Cellco Partnership Brentwood 8/15/2002
631-259 Verizon New York Southampton N/A
631-260 Cellco Partnership Brentwood 8/28/2014
631-261 Verizon New York Northport N/A
631-262 Verizon New York Northport N/A
631-263 Cellco Partnership Smithtown N/A
631-264 Verizon New York Amityville N/A
631-265 Verizon New York Smithtown N/A
631-266 Verizon New York West Commack N/A
631-267 Verizon New York Amagansett N/A
631-268 Peerless Network Of New York Southampton 4/4/2013
631-269 Verizon New York Kings Park N/A
631-270 MCIMetro Access Transmission Services Farmingdale N/A
631-271 Verizon New York Huntington N/A
631-272 Verizon New York Central Islip N/A
631-273 Verizon New York Brentwood N/A
631-274 Verizon New York Deer Park N/A
631-275 Omnipoint Communications Brentwood 7/10/2003
631-276 MetroPCS Hampton Bays 10/21/2002
631-277 Verizon New York Islip N/A
631-278 MetroPCS Brentwood 10/21/2003
631-279 USA Mobility Wireless Brentwood N/A
631-280 Shelcomm Westhampton 09/03/2025
631-281 Verizon New York Atlantic N/A
631-282 Verizon New York Yaphank N/A
631-283 Verizon New York Southampton N/A
631-284 Verizon New York Riverhead N/A
631-285 Verizon New York Ronkonkoma N/A
631-286 Verizon New York Bellport N/A
631-287 Verizon New York Southampton N/A
631-288 Verizon New York Westhampton N/A
631-289 Verizon New York Patchogue N/A
631-290 Omnipoint Communications Babylon 7/29/2015
631-291 MetroPCS Brentwood 7/23/2003
631-292 Level 3 Communications Kings Park N/A
631-293 Verizon New York Farmingdale N/A
631-294 Omnipoint Communications Yaphank 10/21/2002
631-295 Level 3 Communications Yaphank N/A
631-296 Cablevision Lightpath Bridgehampton 6/28/2013
631-297 Paetec Itel Central Islip N/A
631-298 Verizon New York Mattituck N/A
631-299 Paetec Itel Brentwood N/A
631-300-XXXX --- 631-399-XXXX
NPANXX Carrier1 Area Served2 Date3
631-300 Verizon New York Brentwood N/A
631-301 Telnyx Farmingdale 12/5/2016
631-302 Onvoy East Fire Island N/A
631-303 MetroPCS Amityville 9/1/2017
631-304 Cellco Partnership Brentwood 10/13/2015
631-305 New Cingular Wireless PCS Brentwood 2/1/2016
631-306 Level 3 Communications Deer Park N/A
631-307 New Cingular Wireless PCS Patchogue 8/2/2013
631-308 Omnipoint Communications Brentwood 1/8/2020
631-309 Cablevision Lightpath Amityville 4/13/2018
631-310 New Cingular Wireless PCS Patchogue 1/24/2017
631-312 Tc Systems Patchogue N/A
631-313 Cablevision Lightpath Islip 6/14/2018
631-314 Telnyx Babylon N/A
631-315 Cablevision Lightpath Mattituck 12/16/2006
631-316 Cellco Partnership Brentwood 2/21/2007
631-317 New Cingular Wireless PCS Patchogue 12/4/2009
631-318 MCIMetro Access Transmission Services Amagansett 1/27/2010
631-319 Verizon New York Sayville 2/3/2006
631-320 Cablevision Lightpath Selden 8/21/2006
631-321 Verizon New York Babylon N/A
631-322 USA Mobility Wireless Brentwood N/A
631-323 Verizon New York Orient N/A
631-324 Verizon New York East Hampton N/A
631-325 Verizon New York Eastport N/A
631-326 MCIMetro Access Transmission Services Commack N/A
631-327 New Cingular Wireless PCS Huntington 8/27/2002
631-328 Paetec Itel Bay Shore N/A
631-329 Verizon New York East Hampton N/A
631-330 Cablevision Lightpath Farmingdale 9/30/2011
631-331 Verizon New York Port Jefferson N/A
631-332 New Cingular Wireless PCS Brentwood 2/15/2002
631-333 Paetec Itel Greenport 5/5/2009
631-334 Omnipoint Communications Central Islip N/A
631-335 Cellco Partnership Brentwood 7/10/2003
631-336 MetroPCS Brentwood 6/1/2010
631-337 Level 3 Communications Sayville N/A
631-338 Cellco Partnership Brentwood 2/18/2004
631-339 Bandwidth.com Clec Brentwood 2/12/2010
631-340 USA Mobility Wireless Babylon N/A
631-341 Verizon New York Yaphank N/A
631-342 Verizon New York Central Islip N/A
631-343 Cablevision Lightpath Commack 9/10/2003
631-344 Verizon New York Yaphank N/A
631-345 Verizon New York Yaphank N/A
631-346 Bandwidth.com Clec Selden 8/19/2010
631-347 New Cingular Wireless PCS Brentwood 12/15/2023
631-348 Verizon New York Central Islip N/A
631-349 Onvoy Stony Brook 9/13/2002
631-350 MCIMetro Access Transmission Services Huntington N/A
631-351 Verizon New York Huntington N/A
631-352 Omnipoint Communications Smithtown 8/20/2010
631-353 Bandwidth.com Clec Southampton 8/26/2010
631-354 Level 3 Communications Mattituck N/A
631-355 Omnipoint Communications Brentwood 8/21/2003
631-356 Omnipoint Communications Brentwood 8/21/2003
631-357 Verizon New York Brentwood N/A
631-358 Cellco Partnership Babylon 9/10/2010
631-359 Peerless Network Of New York Wading River 9/6/2012
631-360 Verizon New York Smithtown N/A
631-361 Verizon New York Smithtown N/A
631-363 Verizon New York Bayport N/A
631-364 Paetec Itel Stony Brook 11/8/2010
631-365 MetroPCS Brentwood 9/10/2003
631-366 Verizon New York Smithtown N/A
631-367 Verizon New York Cold Spring Harbor N/A
631-368 Verizon New York West Commack N/A
631-369 Verizon New York Riverhead N/A
631-370 Tc Systems Farmingdale N/A
631-371 MetroPCS Stony Brook 6/17/2002
631-372 Cellco Partnership Brentwood 12/18/2014
631-373 USA Mobility Wireless Brentwood N/A
631-374 New Cingular Wireless PCS Brentwood 11/14/2001
631-375 New Cingular Wireless PCS Riverhead 11/14/2001
631-376 Verizon New York Babylon N/A
631-377 New Cingular Wireless PCS Southampton 11/21/2006
631-378 Level 3 Communications Shoreham N/A
631-379 Cellco Partnership Brentwood 1/9/2002
631-380 Tc Systems Stony Brook N/A
631-381 MetroPCS Riverhead 6/7/2016
631-382 Verizon New York Smithtown N/A
631-383 MetroPCS Bay Shore 6/17/2002
631-384 MetroPCS Selden 5/14/2002
631-385 Verizon New York Huntington N/A
631-386 Paetec Itel Farmingdale N/A
631-387 Tc Systems Commack N/A
631-388 Cablevision Lightpath Brentwood 10/25/2010
631-389 Paetec Itel Ronkonkoma N/A
631-390 Cablevision Lightpath Farmingdale N/A
631-391 Verizon New York Farmingdale N/A
631-392 Cablevision Lightpath Deer Park 2/14/2006
631-393 Cablevision Lightpath Farmingdale N/A
631-394 Omnipoint Communications Yaphank 10/26/2010
631-395 Verizon New York Atlantic N/A
631-396 Cablevision Lightpath Farmingdale N/A
631-397 Bandwidth.com Clec Amityville 2/12/2010
631-398 Omnipoint Communications Brentwood N/A
631-399 Verizon New York Atlantic N/A
631-400-XXXX --- 631-499-XXXX
NPANXX Carrier1 Area Served2 Date3
631-400 Onvoy Center Moriches N/A
631-401 New Cingular Wireless PCS Brentwood 1/13/2020
631-402 Telengy L.l.c. Brentwood 2/1/2012
631-403 MCIMetro Access Transmission Services Port Jefferson 8/23/2006
631-404 AT&T Brentwood N/A
631-405 MCIMetro Access Transmission Services Riverhead 2/22/2011
631-406 Rcn Telecom Services Smithtown N/A
631-407 Bandwidth.com Clec Southold 3/21/2011
631-408 Omnipoint Communications Amityville 2/6/2012
631-409 Ip Horizon Nassau Zone 09 N/A
631-410 Paetec Itel Commack N/A
631-412 MCIMetro Access Transmission Services Lindenhst N/A
631-413 New Cingular Wireless PCS Selden 2/8/2006
631-414 Cablevision Lightpath Farmingdale N/A
631-415 Level 3 Communications Central Islip N/A
631-416 Cellco Partnership Brentwood 7/11/2011
631-417 Cablevision Lightpath Babylon 10/10/2011
631-418 MCIMetro Access Transmission Services Huntington 5/3/2001
631-419 Verizon New York Bayport N/A
631-420 Verizon New York Farmingdale N/A
631-421 Verizon New York Huntington N/A
631-422 Verizon New York Babylon N/A
631-423 Verizon New York Huntington N/A
631-424 Verizon New York Huntington N/A
631-425 Verizon New York Huntington N/A
631-426 Omnipoint Communications Babylon N/A
631-427 Verizon New York Huntington N/A
631-428 Omnipoint Communications Ronkonkoma 4/4/2001
631-429 Peerless Network Of New York Lindenhst 9/6/2012
631-430 Peerless Network Of New York Greenport 4/3/2013
631-431 Omnipoint Communications Central Islip N/A
631-432 Cellco Partnership Brentwood 8/2/2013
631-433 MetroPCS Brentwood 6/26/2002
631-434 Verizon New York Brentwood N/A
631-435 Verizon New York Brentwood N/A
631-436 Verizon New York Brentwood N/A
631-437 Tc Systems Fire Island 10/8/2013
631-438 Bandwidth.com Clec Patchogue 5/3/2011
631-439 Cablevision Lightpath Central Islip N/A
631-440 Level 3 Communications Fire Island N/A
631-441 USA Mobility Wireless Brentwood N/A
631-442 USA Mobility Wireless Brentwood N/A
631-443 Level 3 Communications Eastport N/A
631-444 Verizon New York Stony Brook N/A
631-445 MetroPCS Brentwood 3/15/2001
631-446 Cablevision Lightpath Islip 6/7/2007
631-447 Verizon New York Patchogue N/A
631-448 Omnipoint Communications Yaphank 8/10/2011
631-449 MetroPCS Brentwood 6/14/2013
631-450 Onvoy Lindenhst 3/2/2012
631-451 Verizon New York Selden N/A
631-452 Omnipoint Communications Central Islip 9/8/2015
631-453 American Messaging Services Selden N/A
631-454 Verizon New York Farmingdale N/A
631-455 Omnipoint Communications Deer Park N/A
631-456 Cellco Partnership Brentwood 2/9/2005
631-457 Tc Systems Brentwood N/A
631-458 Level 3 Communications Sag Harbor N/A
631-459 Cellco Partnership Brentwood 1/27/2012
631-460 MCIMetro Access Transmission Services Kings Park N/A
631-461 Cellco Partnership Riverhead 9/13/2011
631-462 Verizon New York West Commack N/A
631-463 Omnipoint Communications Central Islip N/A
631-464 Bandwidth.com Clec Amityville 6/9/2011
631-465 Cablevision Lightpath Farmingdale N/A
631-466 Level 3 Communications Riverhead N/A
631-467 Verizon New York Ronkonkoma N/A
631-468 Verizon New York Ronkonkoma N/A
631-469 Cablevision Lightpath Brentwood 4/24/2018
631-470 Cablevision Lightpath Huntington N/A
631-471 Verizon New York Ronkonkoma N/A
631-472 Verizon New York Bayport N/A
631-473 Verizon New York Port Jefferson N/A
631-474 Verizon New York Port Jefferson N/A
631-475 Verizon New York Patchogue N/A
631-476 Verizon New York Port Jefferson N/A
631-477 Verizon New York Greenport N/A
631-478 MCIMetro Access Transmission Services Brentwood N/A
631-479 Level 3 Communications Huntington N/A
631-480 Telengy L.l.c. Amityville 3/9/2012
631-481 MCIMetro Access Transmission Services Islip N/A
631-482 Cablevision Lightpath Babylon 3/29/2007
631-483 Telengy L.l.c. Montauk Point 2/3/2012
631-484 MetroPCS Brentwood 12/31/2001
631-485 Level 3 Communications Midland N/A
631-486 Cablevision Lightpath West Commack N/A
631-487 Cellco Partnership Brentwood 7/18/2006
631-488 Cablevision Lightpath Southampton 8/21/2007
631-489 MCIMetro Access Transmission Services West Commack N/A
631-490 Telengy L.l.c. Atlantic 3/16/2012
631-491 Verizon New York Midland N/A
631-492 Verizon New York Deer Park N/A
631-493 Verizon New York West Commack N/A
631-494 Omnipoint Communications Riverhead 4/21/2009
631-495 Cellco Partnership Brentwood N/A
631-496 Level 3 Communications Selden 2/20/2012
631-497 Onvoy Huntington 11/11/2024
631-498 Paetec Itel Cold Spring Harbor N/A
631-499 Verizon New York West Commack N/A
631-500-XXXX --- 631-599-XXXX
NPANXX Carrier1 Area Served2 Date3
631-500 Onvoy Water Mill N/A
631-501 Verizon New York Farmingdale N/A
631-502 Telengy L.l.c. Jamesport 3/16/2012
631-503 Tc Systems Center Moriches N/A
631-504 Cablevision Lightpath Yaphank 5/23/2006
631-505 Bandwidth.com Clec Lindenhst 2/24/2010
631-506 Verizon New York Riverhead N/A
631-507 Omnipoint Communications Amityville 6/27/2013
631-508 Cellco Partnership Riverhead 3/13/2018
631-509 Cablevision Lightpath Port Jefferson 8/21/2006
631-510 MCIMetro Access Transmission Services Midland N/A
631-512 New Cingular Wireless PCS Selden 2/8/2006
631-513 Level 3 Communications Brentwood N/A
631-514 MCIMetro Access Transmission Services Brentwood N/A
631-515 Onvoy Shelter Island 10/31/2012
631-516 Onvoy Selden 03/20/2024
631-517 Level 3 Communications Babylon N/A
631-518 Peerless Network Of New York Bay Shore 4/3/2013
631-519 Peerless Network Of New York East Fire Island 4/3/2013
631-520 Level 3 Communications Amityville N/A
631-521 Level 3 Telecom Of New York Brentwood N/A
631-522 Cablevision Lightpath Deer Park 4/2/2009
631-523 Omnipoint Communications Central Islip N/A
631-524 New Cingular Wireless PCS Brentwood 7/18/2011
631-525 Level 3 Communications Brentwood 11/4/2003
631-526 Onvoy Babylon 10/22/2012
631-527 Cablevision Lightpath East Hampton 6/3/2011
631-528 MCIMetro Access Transmission Services Kings Park N/A
631-529 Onvoy Orient N/A
631-530 Omnipoint Communications Amityville 11/24/2015
631-531 Verizon New York Farmingdale N/A
631-532 Paetec Itel Amityville N/A
631-533 MCIMetro Access Transmission Services Central Islip 2/9/2009
631-534 MCIMetro Access Transmission Services Cold Spring Harbor N/A
631-535 Peerless Network Of New York Port Jefferson 9/6/2012
631-536 Level 3 Communications Eastport N/A
631-537 Verizon New York Bridgehampton N/A
631-538 New Cingular Wireless PCS Selden 8/2/2013
631-539 Cablevision Lightpath Babylon N/A
631-540 Onvoy Mattituck 5/12/2020
631-541 Verizon New York Nassau Zone 09 N/A
631-542 Telengy L.l.c. Ronkonkoma 3/16/2012
631-543 Verizon New York Commack N/A
631-544 Verizon New York Kings Park N/A
631-545 Peerless Network Of New York Amityville 8/20/2012
631-546 Level 3 Communications Huntington N/A
631-547 Verizon New York Huntington N/A
631-548 Verizon New York Riverhead N/A
631-549 Verizon New York Huntington N/A
631-550 Lte Wireless Yaphank 3/4/2020
631-551 MCIMetro Access Transmission Services St James N/A
631-552 Omnipoint Communications Amityville 8/22/2013
631-553 Cellco Partnership Brentwood N/A
631-554 USA Mobility Wireless Brentwood N/A
631-556 Zcall.com Brentwood 11/15/2005
631-557 Onvoy Amagansett 6/9/2014
631-558 USA Mobility Wireless Riverhead N/A
631-559 New Cingular Wireless PCS Brentwood 3/30/2006
631-560 Cellco Partnership Brentwood 9/19/2006
631-561 Tc Systems Selden N/A
631-562 Cablevision Lightpath Patchogue 10/6/2011
631-563 Verizon New York Sayville N/A
631-564 Paetec Itel Sayville N/A
631-565 Omnipoint Communications Amityville 5/19/2009
631-566 Level 3 Telecom Of New York Riverhead 1/5/2006
631-567 Verizon New York Sayville N/A
631-568 HD Carrier Amityville 11/13/2013
631-569 Level 3 Communications Patchogue 5/19/2006
631-570 Level 3 Communications Fire Island N/A
631-571 Peerless Network Of New York Orient 4/3/2013
631-572 Omnipoint Communications Babylon 5/27/2009
631-573 Cablevision Lightpath Sayville 10/6/2011
631-574 Paetec Itel Riverhead N/A
631-575 MetroPCS Brentwood 9/30/2008
631-576 MCIMetro Access Transmission Services Patchogue N/A
631-577 Verizon New York Farmingdale N/A
631-578 Omnipoint Communications Yaphank 4/26/2007
631-579 New Cingular Wireless PCS Brentwood 11/14/2008
631-580 Verizon New York Ronkonkoma N/A
631-581 Verizon New York Islip N/A
631-582 Verizon New York Central Islip N/A
631-583 Verizon New York Fire Island N/A
631-584 Verizon New York St James N/A
631-585 Verizon New York Ronkonkoma N/A
631-586 Verizon New York Deer Park N/A
631-587 Verizon New York Babylon N/A
631-588 Verizon New York Ronkonkoma N/A
631-589 Verizon New York Sayville N/A
631-590 Level 3 Communications Ronkonkoma N/A
631-591 Cablevision Lightpath Riverhead N/A
631-592 Cablevision Lightpath Lindenhst N/A
631-593 Level 3 Communications Greenport N/A
631-594 Cablevision Lightpath Hampton Bays 3/15/2001
631-595 Verizon New York Deer Park N/A
631-596 MCIMetro Access Transmission Services Quogue 1/13/2006
631-597 Verizon New York East Fire Island N/A
631-598 Verizon New York Amityville N/A
631-599 Cellco Partnership Riverhead N/A
631-600-XXXX --- 631-699-XXXX
NPANXX Carrier1 Area Served2 Date3
631-600 Onvoy West Commack N/A
631-601 New Cingular Wireless PCS Brentwood 11/29/2012
631-602 MCIMetro Access Transmission Services Shelter Island 2/3/2006
631-603 Paetec Itel Riverhead N/A
631-604 Cablevision Lightpath East Hampton 1/11/2006
631-605 New Cingular Wireless PCS Patchogue 5/13/2009
631-606 Cablevision Lightpath Northport 4/17/2009
631-607 Tc Systems Wading River 9/6/2018
631-608 Cablevision Lightpath Amityville N/A
631-609 Cellco Partnership Brentwood 9/8/2008
631-610 Level 3 Communications Eastport N/A
631-612 Level 3 Communications Babylon N/A
631-613 Onvoy Bridgehampton N/A
631-614 Onvoy Southampton N/A
631-615 Level 3 Communications Ronkonkoma N/A
631-616 MCIMetro Access Transmission Services Peconic 1/13/2006
631-617 Cellco Partnership Brentwood 8/21/2006
631-618 Level 3 Communications Yaphank N/A
631-619 Tc Systems Ronkonkoma N/A
631-620 Cablevision Lightpath Babylon 6/22/2011
631-621 MCIMetro Access Transmission Services St James N/A
631-622 Cablevision Lightpath Farmingdale N/A
631-623 Tc Systems West Commack N/A
631-624 Cellco Partnership Brentwood 6/30/2008
631-625 Onvoy Orient 2/3/2006
631-626 Cellco Partnership Brentwood 5/12/2008
631-627 Cablevision Lightpath Patchogue 11/3/2005
631-628 MCIMetro Access Transmission Services Northport N/A
631-629 Cablevision Lightpath Huntington 10/31/2007
631-630 Cablevision Lightpath Central Islip N/A
631-631 Regional Telephone Corporation Fire Island 10/11/2022
631-632 Verizon New York Stony Brook N/A
631-633 Paetec Itel Bellport 3/3/2014
631-634 Cablevision Lightpath Commack 10/9/2019
631-635 Cablevision Lightpath Babylon N/A
631-636 New Cingular Wireless PCS Brentwood 12/15/2014
631-637 MCIMetro Access Transmission Services Brentwood 4/28/2014
631-638 Verizon New York Stony Brook 10/5/2005
631-639 Tc Systems Brentwood N/A
631-640 Omnipoint Communications Amityville 3/28/2017
631-641 Bandwidth.com Clec Water Mill N/A
631-642 Verizon New York Port Jefferson N/A
631-643 Verizon New York Midland N/A
631-644 Cellco Partnership Riverhead 10/14/2014
631-645 Omnipoint Communications Brentwood N/A
631-646 Onvoy Sayville 5/28/2020
631-647 Cablevision Lightpath Bay Shore N/A
631-648 Cablevision Lightpath Ronkonkoma N/A
631-649 Level 3 Communications Babylon N/A
631-650 Cablevision Lightpath Islip N/A
631-651 Cablevision Lightpath Northport N/A
631-652 MCIMetro Access Transmission Services Smithtown 1/13/2014
631-653 Verizon New York Quogue N/A
631-654 Verizon New York Patchogue N/A
631-655 Tc Systems Riverhead N/A
631-656 Cablevision Lightpath Smithtown N/A
631-657 Level 3 Communications Atlantic N/A
631-658 Cablevision Lightpath East Hampton 7/11/2013
631-659 Cablevision Lightpath Cold Spring Harbor N/A
631-660 Omnipoint Communications Riverhead N/A
631-661 Verizon New York Babylon N/A
631-662 New Cingular Wireless PCS Huntington 10/25/2002
631-663 Cablevision Lightpath Kings Park N/A
631-664 Omnipoint Communications Central Islip N/A
631-665 Verizon New York Bay Shore N/A
631-666 Verizon New York Bay Shore N/A
631-667 Verizon New York Deer Park N/A
631-668 Verizon New York Montauk Point N/A
631-669 Verizon New York Babylon N/A
631-670 Cablevision Lightpath Commack N/A
631-671 MetroPCS Lindenhst 6/17/2002
631-672 Omnipoint Communications Smithtown 6/17/2002
631-673 Verizon New York Huntington N/A
631-674 MCIMetro Access Transmission Services Midland N/A
631-675 Cablevision Lightpath Stony Brook N/A
631-676 Cablevision Lightpath Ronkonkoma 8/20/2004
631-677 MCIMetro Access Transmission Services Sayville N/A
631-678 MCIMetro Access Transmission Services Brentwood N/A
631-679 Verizon New York Nassau Zone 09 N/A
631-680 New Cingular Wireless PCS Riverhead 2/14/2001
631-681 New Cingular Wireless PCS Selden 11/8/2004
631-682 New Cingular Wireless PCS Selden 3/14/2002
631-683 MCIMetro Access Transmission Services Huntington N/A
631-684 Peerless Network Of New York Westhampton 6/23/2001
631-685 Onvoy Hampton Bays N/A
631-686 Cablevision Lightpath St James N/A
631-687 Verizon New York Patchogue N/A
631-688 Tc Systems Farmingdale N/A
631-689 Verizon New York Stony Brook N/A
631-690 New Cingular Wireless PCS Patchogue 10/15/2018
631-691 Verizon New York Amityville N/A
631-692 Verizon New York Cold Spring Harbor N/A
631-693 Tc Systems Amityville N/A
631-694 Verizon New York Farmingdale N/A
631-695 USA Mobility Wireless Brentwood N/A
631-696 Verizon New York Selden N/A
631-697 New Cingular Wireless PCS Huntington 1/16/2002
631-698 Verizon New York Selden N/A
631-699 MCIMetro Access Transmission Services Sayville N/A
631-701-XXXX --- 631-799-XXXX
NPANXX Carrier1 Area Served2 Date3
631-701 Tc Systems Eastport N/A
631-702 Level 3 Communications Southampton N/A
631-703 Omnipoint Communications Amityville 8/8/2005
631-704 New Cingular Wireless PCS Brentwood 8/16/2005
631-705 Onvoy Atlantic 2/16/2016
631-706 MCIMetro Access Transmission Services Stony Brook N/A
631-707 Level 3 Communications Brentwood 3/10/2005
631-708 Cellco Partnership Brentwood N/A
631-709 Level 3 Communications Water Mill 8/17/2004
631-710 Cablevision Lightpath Ronkonkoma 6/6/2018
631-712 Tc Systems Farmingdale N/A
631-713 Paetec Itel Eastport N/A
631-714 Level 3 Communications Patchogue 10/11/2004
631-715 Tc Systems Central Islip N/A
631-716 Verizon New York Selden N/A
631-717 Peering Hub Bayport 4/29/2021
631-718 MetroPCS Sag Harbor 04/24/2024
631-719 Cablevision Lightpath Farmingdale N/A
631-720 Omnipoint Communications Brentwood 5/14/2020
631-721 MCIMetro Access Transmission Services Selden N/A
631-722 Verizon New York Jamesport N/A
631-723 Verizon New York Hampton Bays N/A
631-724 Verizon New York Smithtown N/A
631-725 Verizon New York Sag Harbor N/A
631-726 Verizon New York Water Mill N/A
631-727 Verizon New York Riverhead N/A
631-728 Verizon New York Hampton Bays N/A
631-729 Tc Systems Atlantic N/A
631-730 Cablevision Lightpath Patchogue N/A
631-731 Level 3 Communications Amagansett N/A
631-732 Verizon New York Selden N/A
631-733 Scarsdale Security Systems Brentwood N/A
631-734 Verizon New York Peconic N/A
631-735 Peerless Network Of New York Peconic 4/3/2013
631-736 Verizon New York Selden N/A
631-737 Verizon New York Ronkonkoma N/A
631-738 Verizon New York Ronkonkoma N/A
631-739 MCIMetro Access Transmission Services Ronkonkoma N/A
631-740 Cellco Partnership Riverhead N/A
631-741 New Cingular Wireless PCS Brentwood 10/9/2002
631-742 New Cingular Wireless PCS Huntington 10/9/2002
631-743 Cablevision Lightpath Port Jefferson 7/11/2013
631-744 Verizon New York Shoreham N/A
631-745 New Cingular Wireless PCS Riverhead 2/21/2002
631-746 Omnipoint Communications Amityville 9/30/2014
631-747 New Cingular Wireless PCS Brentwood 3/10/2005
631-748 Omnipoint Communications Brentwood N/A
631-749 Verizon New York Shelter Island N/A
631-750 Cablevision Lightpath Sayville N/A
631-751 Verizon New York Stony Brook N/A
631-752 Verizon New York Farmingdale N/A
631-753 Verizon New York Farmingdale N/A
631-754 Verizon New York Northport N/A
631-755 Verizon New York Farmingdale N/A
631-756 Verizon New York Farmingdale N/A
631-757 Verizon New York Northport N/A
631-758 Verizon New York Patchogue N/A
631-759 Level 3 Communications Huntington N/A
631-760 Tc Systems Huntington N/A
631-761 Cablevision Lightpath Central Islip N/A
631-762 Level 3 Communications Stony Brook N/A
631-763 MCIMetro Access Transmission Services Cold Spring Harbor N/A
631-764 MetroPCS Selden 4/12/2001
631-765 Verizon New York Southold N/A
631-766 Cellco Partnership Brentwood 7/6/2001
631-767 MetroPCS Brentwood 4/9/2002
631-768 Paetec Itel Farmingdale N/A
631-769 MCIMetro Access Transmission Services Shoreham N/A
631-770 MCIMetro Access Transmission Services Farmingdale N/A
631-771 Level 3 Communications East Hampton 10/13/2004
631-772 Cablevision Lightpath Atlantic N/A
631-773 Paetec Itel Farmingdale N/A
631-774 MetroPCS Brentwood N/A
631-775 Cablevision Lightpath Yaphank N/A
631-776 Verizon New York Bellport N/A
631-777 Verizon New York Farmingdale N/A
631-778 MCIMetro Access Transmission Services Central Islip N/A
631-779 Cablevision Lightpath Jamesport N/A
631-780 MCIMetro Access Transmission Services Smithtown N/A
631-781 Verizon New York Nassau Zone 09 N/A
631-782 Paetec Itel Deer Park N/A
631-783 Verizon New York Nassau Zone 09 N/A
631-784 Tc Systems Central Islip N/A
631-785 Verizon New York Nassau Zone 09 N/A
631-786 Cellco Partnership Brentwood 1/16/2001
631-787 Tc Systems Central Islip N/A
631-788 Fishers Island Tel. Corp. Fishers Is N/A
631-789 Verizon New York Amityville N/A
631-790 Omnipoint Communications Patchogue 5/16/2001
631-791 MCIMetro Access Transmission Services Port Jefferson N/A
631-792 Tc Systems Babylon N/A
631-793 Cellco Partnership Brentwood 3/15/2002
631-794 Paetec Itel Farmingdale N/A
631-795 Verizon New York Nassau Zone 09 N/A
631-796 MetroPCS Brentwood 4/12/2001
631-797 Verizon New York Nassau Zone 09 N/A
631-798 Verizon New York Nassau Zone 09 N/A
631-799 Verizon New York Nassau Zone 09 N/A
631-800-XXXX --- 631-899-XXXX
NPANXX Carrier1 Area Served2 Date3
631-800 Onvoy Southampton N/A
631-801 Cablevision Lightpath Eastport N/A
631-802 Paetec Itel Port Jefferson N/A
631-803 Cablevision Lightpath Bellport N/A
631-804 Cellco Partnership Brentwood 5/4/2001
631-805 Omnipoint Communications Amityville 5/16/2001
631-806 Cellco Partnership Brentwood 10/5/2001
631-807 Cellco Partnership Brentwood 4/18/2002
631-808 Centurylink Communications Sag Harbor N/A
631-809 MetroPCS Deer Park 7/12/2018
631-810 Onvoy Lindenhst 12/16/2020
631-812 Paetec Itel Huntington 5/9/2001
631-813 Level 3 Communications Brentwood 10/15/2004
631-814 Onvoy Babylon 10/10/2022
631-815 Level 3 Communications Farmingdale N/A
631-816 Omnipoint Communications Yaphank 9/19/2002
631-817 Onvoy Fire Island N/A
631-818 Cablevision Lightpath Babylon 10/30/2018
631-819 Csc Wireless Bay Shore 9/16/2019
631-820 MCIMetro Access Transmission Services Ronkonkoma N/A
631-821 Verizon New York Shoreham N/A
631-822 Paetec Itel Central Islip N/A
631-823 Tc Systems Bayport N/A
631-824 Paetec Itel Huntington N/A
631-825 Bandwidth.com Clec Montauk Point 8/1/2014
631-826 Verizon New York Nassau Zone 09 N/A
631-827 New Cingular Wireless PCS Huntington 5/16/2002
631-828 Cablevision Lightpath Port Jefferson N/A
631-829 Omnipoint Communications Amityville 9/8/2015
631-830 Level 3 Communications Riverhead N/A
631-831 MetroPCS Brentwood N/A
631-832 MCIMetro Access Transmission Services Bayport N/A
631-833 Omnipoint Communications Riverhead 9/6/2002
631-834 Cellco Partnership Brentwood N/A
631-835 New Cingular Wireless PCS Brentwood 6/4/2001
631-836 Omnipoint Communications Brentwood 6/14/2001
631-837 MCIMetro Access Transmission Services Northport N/A
631-838 New Cingular Wireless PCS Brentwood N/A
631-839 Omnipoint Communications Brentwood 1/16/2001
631-840 Level 3 Communications Islip N/A
631-841 Verizon New York Amityville N/A
631-842 Verizon New York Amityville N/A
631-843 Verizon New York Farmingdale N/A
631-844 Verizon New York Farmingdale N/A
631-845 Verizon New York Farmingdale N/A
631-846 Cablevision Lightpath Selden 1/16/2001
631-847 Verizon New York Farmingdale N/A
631-848 Cellco Partnership Brentwood 6/24/2002
631-849 Cablevision Lightpath Shoreham N/A
631-850 MCIMetro Access Transmission Services West Commack N/A
631-851 Verizon New York Central Islip N/A
631-852 Verizon New York Riverhead N/A
631-853 Verizon New York Central Islip N/A
631-854 Verizon New York Brentwood N/A
631-855 MetroPCS Deer Park N/A
631-856 Cablevision Lightpath Hampton Bays N/A
631-857 MCIMetro Access Transmission Services Cold Spring Harbor N/A
631-858 Verizon New York West Commack N/A
631-859 Verizon New York Islip N/A
631-860 MCIMetro Access Transmission Services Deer Park N/A
631-861 MCIMetro Access Transmission Services Farmingdale N/A
631-862 Verizon New York St James N/A
631-863 Verizon New York Smithtown N/A
631-864 Verizon New York Commack N/A
631-865 Level 3 Communications Deer Park N/A
631-866 Tc Systems Bellport N/A
631-867 Level 3 Communications Lindenhst N/A
631-868 Cablevision Lightpath Bayport N/A
631-869 MCIMetro Access Transmission Services Bellport N/A
631-870 Paetec Itel Central Islip N/A
631-871 New Cingular Wireless PCS Riverhead 3/15/2002
631-872 MetroPCS Brentwood 6/27/2001
631-873 Cellco Partnership Brentwood 10/14/2004
631-874 Verizon New York Center Moriches N/A
631-875 New Cingular Wireless PCS Riverhead 7/18/2001
631-876 Level 3 Communications Southold 8/17/2004
631-877 Omnipoint Communications Brentwood 8/2/2001
631-878 Verizon New York Center Moriches N/A
631-879 MCIMetro Access Transmission Services Patchogue N/A
631-880 New Cingular Wireless PCS Selden 11/8/2004
631-881 AT&T Central Islip N/A
631-882 Omnipoint Communications Central Islip 5/16/2001
631-883 MCIMetro Access Transmission Services Bayport N/A
631-884 Verizon New York Lindenhst N/A
631-885 Omnipoint Communications Brentwood 10/27/2004
631-886 Cablevision Lightpath Wading River N/A
631-887 Paetec Itel Hampton Bays 10/10/2001
631-888 Verizon New York Lindenhst N/A
631-889 Omnipoint Communications Deer Park 4/15/2002
631-890 Verizon New York Patchogue N/A
631-891 Paetec Itel Patchogue 5/24/2004
631-892 MCIMetro Access Transmission Services Bay Shore N/A
631-893 Verizon New York Babylon N/A
631-894 Tc Systems Bay Shore N/A
631-895 Onvoy Quogue 9/24/2020
631-896 MetroPCS Northport 6/17/2002
631-897 New Cingular Wireless PCS Huntington 10/3/2001
631-898 Verizon New York Westhampton N/A
631-899 Level 3 Communications Sag Harbor N/A
631-900-XXXX --- 631-999-XXXX
NPANXX Carrier1 Area Served2 Date3
631-900 Onvoy West Commack N/A
631-901 Omnipoint Communications Brentwood 4/4/2005
631-902 New Cingular Wireless PCS Riverhead 10/9/2002
631-903 New Cingular Wireless PCS Southampton 10/9/2002
631-904 Verizon New York Central Islip N/A
631-905 Verizon New York Riverhead N/A
631-906 Omnipoint Communications Deer Park 9/13/2019
631-907 Verizon New York East Hampton N/A
631-908 Cablevision Lightpath Patchogue 3/9/2020
631-909 Cablevision Lightpath Center Moriches N/A
631-910 Xo New York Wading River N/A
631-912 Verizon New York Northport N/A
631-913 MCIMetro Access Transmission Services Ronkonkoma N/A
631-914 New Cingular Wireless PCS Riverhead 11/25/2024
631-915 American Network Riverhead N/A
631-916 Telnyx Shoreham 2/2/2021
631-918 Tc Systems Deer Park N/A
631-919 Onvoy Sag Harbor N/A
631-920 Cablevision Lightpath Midland N/A
631-921 Cellco Partnership Brentwood 10/5/2001
631-922 Omnipoint Communications Brentwood N/A
631-923 AT&T Huntington N/A
631-924 Verizon New York Yaphank N/A
631-925 Level 3 Communications Northport N/A
631-926 MetroPCS Brentwood 9/25/2002
631-927 AT&T Farmingdale N/A
631-928 Verizon New York Port Jefferson N/A
631-929 Verizon New York Wading River N/A
631-930 Paetec Itel Central Islip N/A
631-931 Wide Voice East Hampton 6/3/2016
631-932 Verizon New York Deer Park 4/1/2005
631-933 Omnipoint Communications Amityville 1/23/2015
631-934 MetroPCS Babylon 03/27/2025
631-935 New Cingular Wireless PCS Huntington N/A
631-937 Cablevision Lightpath Southold 7/16/2015
631-938 Level 3 Communications Port Jefferson 4/8/2005
631-939 MetroPCS Riverhead 4/24/2019
631-940 Cablevision Lightpath Deer Park N/A
631-941 Verizon New York Stony Brook N/A
631-942 Cellco Partnership Brentwood 8/22/2005
631-943 Omnipoint Communications Babylon 5/16/2001
631-944 Paetec Itel Huntington N/A
631-945 Onvoy Greenport 1/27/2021
631-946 New Cingular Wireless PCS Selden 9/7/2005
631-947 MCIMetro Access Transmission Services Bellport N/A
631-948 Omnipoint Communications Brentwood N/A
631-949 Omnipoint Communications Bellport 5/16/2001
631-951 Verizon New York Brentwood N/A
631-952 Verizon New York Brentwood N/A
631-953 Verizon New York Riverhead N/A
631-954 AT&T Bay Shore N/A
631-955 Verizon New York Deer Park N/A
631-956 Verizon New York Lindenhst N/A
631-957 Verizon New York Lindenhst N/A
631-960 Tc Systems Islip N/A
631-961 Level 3 Communications Babylon N/A
631-962 MCIMetro Access Transmission Services Farmingdale N/A
631-963 MCIMetro Access Transmission Services Central Islip N/A
631-964 MCIMetro Access Transmission Services Deer Park N/A
631-965 New Cingular Wireless PCS Riverhead 9/19/2002
631-966 Fractel Brentwood 7/8/2020
631-967 Paetec Itel Brentwood N/A
631-968 Verizon New York Bay Shore N/A
631-969 Verizon New York Bay Shore N/A
631-970 Onvoy Mattituck 1/27/2021
631-971 Paetec Itel West Commack N/A
631-972 Level 3 Communications Brentwood 9/15/2005
631-973 Tc Systems Kings Park N/A
631-974 Omnipoint Communications Smithtown 4/4/2001
631-975 Onvoy Center Moriches 2/15/2016
631-977 Onvoy Patchogue 2/9/2016
631-978 MCIMetro Access Transmission Services Port Jefferson N/A
631-979 Verizon New York Smithtown N/A
631-980 Onvoy Commack N/A
631-981 Verizon New York Ronkonkoma N/A
631-982 MCIMetro Access Transmission Services Smithtown N/A
631-983 MCIMetro Access Transmission Services Babylon N/A
631-984 Csc Wireless Deer Park 3/26/2020
631-985 Onvoy Riverhead 1/27/2021
631-986 Onvoy Smithtown 1/27/2021
631-987 Cellco Partnership Brentwood N/A
631-988 New Cingular Wireless PCS Huntington 2/14/2001
631-989 Onvoy Spectrum Riverhead N/A
631-990 Airus Bay Shore 9/30/2019
631-991 Tc Systems Lindenhst N/A
631-992 Cablevision Lightpath Deer Park 9/16/2013
631-993 MCIMetro Access Transmission Services Commack N/A
631-994 New Cingular Wireless PCS Brentwood 8/25/2014
631-995 MCIMetro Access Transmission Services Yaphank N/A
631-996 Cablevision Lightpath Quogue N/A
631-997 New Cingular Wireless PCS Selden 7/29/2014
631-998 Cablevision Lightpath Westhampton N/A
631-999 Regional Telephone Corporation Jamesport 02/20/2024
  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 631

City1 County Time Zone1
Amagansett Suffolk E
Amityville Suffolk E
Aquebogue Suffolk E
Babylon Suffolk E
Bay Shore Suffolk E
Bayport Suffolk E
Bellport Suffolk E
Blue Point Suffolk E
Bohemia Suffolk E
Brentwood Suffolk E
Bridgehampton Suffolk E
Brightwaters Suffolk E
Brookhaven Suffolk E
Calverton Suffolk E
Center Moriches Suffolk E
Centereach Suffolk E
Centerport Suffolk E
Central Islip Suffolk E
Cold Spring Harbor Suffolk E
Commack Suffolk E
Copiague Suffolk E
Coram Suffolk E
Cutchogue Suffolk E
Deer Park Suffolk E
East Hampton Suffolk E
East Islip Suffolk E
East Marion Suffolk E
East Moriches Suffolk E
East Northport Suffolk E
East Quogue Suffolk E
East Setauket Suffolk E
Eastport Suffolk E
Farmingville Suffolk E
Fishers Island Suffolk E
Great River Suffolk E
Greenlawn Suffolk E
Greenport Suffolk E
Hampton Bays Suffolk E
Hauppauge Suffolk E
Holbrook Suffolk E
Holtsville Suffolk E
Huntington Suffolk E
Huntington Station Suffolk E
Islandia Suffolk E
Islip Suffolk E
Islip Terrace Suffolk E
Jamesport Suffolk E
Kings Park Suffolk E
Lake Grove Suffolk E
Laurel Suffolk E
Lindenhurst Suffolk E
Manorville Suffolk E
Mastic Suffolk E
Mastic Beach Suffolk E
Mattituck Suffolk E
Medford Suffolk E
Melville Suffolk E
Middle Island Suffolk E
Miller Place Suffolk E
Montauk Suffolk E
Moriches Suffolk E
Mount Sinai Suffolk E
Nesconset Suffolk E
New Suffolk Suffolk E
North Babylon Suffolk E
Northport Suffolk E
Oakdale Suffolk E
Ocean Beach Suffolk E
Orient Suffolk E
Patchogue Suffolk E
Peconic Suffolk E
Port Jefferson Suffolk E
Port Jefferson Station Suffolk E
Quogue Suffolk E
Remsenburg Suffolk E
Ridge Suffolk E
Riverhead Suffolk E
Rocky Point Suffolk E
Ronkonkoma Suffolk E
Sag Harbor Suffolk E
Sagaponack Suffolk E
Sayville Suffolk E
Selden Suffolk E
Shelter Island Suffolk E
Shelter Island Heights Suffolk E
Shirley Suffolk E
Shoreham Suffolk E
Smithtown Suffolk E
Sound Beach Suffolk E
South Jamesport Suffolk E
Southampton Suffolk E
Southold Suffolk E
Speonk Suffolk E
St James Suffolk E
Stony Brook Suffolk E
Upton Suffolk E
Wading River Suffolk E
Wainscott Suffolk E
Water Mill Suffolk E
West Babylon Suffolk E
West Islip Suffolk E
West Sayville Suffolk E
Westhampton Suffolk E
Westhampton Beach Suffolk E
Wyandanch Suffolk E
Yaphank Suffolk E
  1. Listed above are most places served by USA area code 631. 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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Tag » Where Is The Area Code 631