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

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Area code 503 is in Oregon, USA , spanning 10 counties and serving 110 cities , including Portland, Salem or Gresham; it currently uses 784 prefixes , assigned from 503-200-XXXX through 503-999-XXXX.

In service since January 01, 1947, area code 503 is the parent Numbering Plan Area in overlay complex 503/971.

The current local time is .

503 area code location on a map
© OpenStreetMap contributorsFor exact NPA boundaries see official 503 area code map

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More Oregon area codes:

  • 458
  • 541
  • 971

Locate any 503-NXX prefix:

503-200-XXXX --- 503-299-XXXX
NPANXX Carrier1 Area Served2 Date3
503-200 New Cingular Wireless PCS Portland 10/17/2006
503-201 Cellco Partnership Portland N/A
503-202 USA Mobility Wireless Portland N/A
503-203 Qwest Corporation Portland N/A
503-204 USA Mobility Wireless Portland N/A
503-205 MCIMetro Access Transmission Services Portland N/A
503-206 Onvoy Portland 3/13/2006
503-207 MCIMetro Access Transmission Services Beaverton N/A
503-208 New Cingular Wireless PCS Portland 10/27/2008
503-209 T-Mobile USA Portland N/A
503-210 Electric Lightwave Clackamas N/A
503-212 Electric Lightwave Clackamas N/A
503-213 Electric Lightwave Beaverton N/A
503-214 Electric Lightwave Beaverton N/A
503-215 Qwest Corporation Portland N/A
503-216 Qwest Corporation Portland N/A
503-217 Electric Lightwave Sherwood N/A
503-218 Electric Lightwave Stafford-Sandy N/A
503-219 Qwest Corporation Portland N/A
503-220 Qwest Corporation Portland N/A
503-221 Qwest Corporation Portland N/A
503-222 Qwest Corporation Portland N/A
503-223 Qwest Corporation Portland N/A
503-224 Qwest Corporation Portland N/A
503-225 Qwest Corporation Portland N/A
503-226 Qwest Corporation Portland N/A
503-227 Qwest Corporation Portland N/A
503-228 Qwest Corporation Portland N/A
503-229 Qwest Corporation Portland N/A
503-230 Qwest Corporation Portland N/A
503-231 Qwest Corporation Portland N/A
503-232 Qwest Corporation Portland N/A
503-233 Qwest Corporation Portland N/A
503-234 Qwest Corporation Portland N/A
503-235 Qwest Corporation Portland N/A
503-236 Qwest Corporation Portland N/A
503-237 USA Mobility Wireless Portland N/A
503-238 Qwest Corporation Portland N/A
503-239 Qwest Corporation Portland N/A
503-240 Qwest Corporation Portland N/A
503-241 Qwest Corporation Portland N/A
503-242 Qwest Corporation Portland N/A
503-243 Qwest Corporation Portland N/A
503-244 Qwest Corporation Portland N/A
503-245 Qwest Corporation Portland N/A
503-246 Qwest Corporation Portland N/A
503-247 Qwest Corporation Portland N/A
503-248 Qwest Corporation Portland N/A
503-249 Qwest Corporation Portland N/A
503-250 Qwest Corporation Portland N/A
503-251 Qwest Corporation Portland N/A
503-252 Qwest Corporation Portland N/A
503-253 Qwest Corporation Portland N/A
503-254 Qwest Corporation Portland N/A
503-255 Qwest Corporation Portland N/A
503-256 Qwest Corporation Portland N/A
503-257 Qwest Corporation Portland N/A
503-258 Qwest Corporation Portland N/A
503-259 Ziply Fiber Northwest Beaverton N/A
503-260 Cellco Partnership Portland N/A
503-261 Qwest Corporation Portland N/A
503-262 Qwest Corporation Portland N/A
503-263 Canby Tel. Assn. Canby-Needy N/A
503-264 MCIMetro Access Transmission Services Beaverton N/A
503-265 Teleport Communications America Portland N/A
503-266 Canby Tel. Assn. Canby-Needy N/A
503-267 T-Mobile USA Portland N/A
503-268 Teleport Communications America Beaverton N/A
503-269 T-Mobile USA Salem N/A
503-270 Teleport Communications America Beaverton N/A
503-271 USA Mobility Wireless Portland N/A
503-272 Centurytel Of Oregon Government Camp N/A
503-273 Qwest Corporation Portland N/A
503-274 Qwest Corporation Portland N/A
503-275 Qwest Corporation Portland N/A
503-276 Qwest Corporation Portland N/A
503-277 Ziply Fiber Northwest Beaverton N/A
503-278 Cellco Partnership Portland 8/5/2008
503-279 Qwest Corporation Portland N/A
503-280 Qwest Corporation Portland N/A
503-281 Qwest Corporation Portland N/A
503-282 Qwest Corporation Portland N/A
503-283 Qwest Corporation Portland N/A
503-284 Qwest Corporation Portland N/A
503-285 Qwest Corporation Portland N/A
503-286 Qwest Corporation Portland N/A
503-287 Qwest Corporation Portland N/A
503-288 Qwest Corporation Portland N/A
503-289 Qwest Corporation Portland N/A
503-290 MCIMetro Access Transmission Services Portland N/A
503-291 Qwest Corporation Portland N/A
503-292 Qwest Corporation Portland N/A
503-293 Qwest Corporation Portland N/A
503-294 Qwest Corporation Portland N/A
503-295 Qwest Corporation Portland N/A
503-296 Qwest Corporation Portland N/A
503-297 Qwest Corporation Portland N/A
503-298 Level 3 Communications Astoria 7/25/2002
503-299 Qwest Corporation Portland N/A
503-300-XXXX --- 503-399-XXXX
NPANXX Carrier1 Area Served2 Date3
503-300 Charter IP Enabled Services Bay City 2/12/2008
503-301 USA Mobility Wireless Portland N/A
503-302 Cellco Partnership Salem N/A
503-303 MCIMetro Access Transmission Services Clackamas N/A
503-304 Qwest Corporation Salem N/A
503-305 MCIMetro Access Transmission Services Clackamas N/A
503-306 Qwest Corporation Portland N/A
503-307 Cellco Partnership Portland N/A
503-308 Teleport Communications America Clatskanie N/A
503-309 T-Mobile USA Portland N/A
503-310 Cellco Partnership Portland N/A
503-312 Cellco Partnership Portland N/A
503-313 Cellco Partnership Portland N/A
503-314 Cellco Partnership Portland N/A
503-315 Qwest Corporation Salem N/A
503-316 Qwest Corporation Salem N/A
503-317 T-Mobile USA Portland N/A
503-318 Cellco Partnership Portland N/A
503-319 Cellco Partnership Portland N/A
503-320 Cellco Partnership Portland N/A
503-321 Qwest Corporation Portland N/A
503-322 United Telephone Garibaldi N/A
503-323 Qwest Corporation Portland N/A
503-324 Ziply Fiber Pacific Beaverton N/A
503-325 Qwest Corporation Astoria N/A
503-326 Qwest Corporation Portland N/A
503-327 Teleport Communications America Portland N/A
503-328 Electric Lightwave Gresham N/A
503-329 New Cingular Wireless PCS Portland N/A
503-330 MetroPCS Beaverton N/A
503-331 Qwest Corporation Portland N/A
503-332 MetroPCS Beaverton N/A
503-333 New Cingular Wireless PCS Portland 9/21/2006
503-334 T-Mobile USA Portland N/A
503-335 Qwest Corporation Portland N/A
503-336 Comcast IP Phone Beaverton 10/4/2004
503-337 Cascade Utilities Estacada N/A
503-338 Qwest Corporation Astoria N/A
503-339 Level 3 Communications Salem N/A
503-340 Qwest Corporation Portland N/A
503-341 Cellco Partnership Portland N/A
503-342 Level 3 Communications Clackamas N/A
503-343 Level 3 Communications Clackamas N/A
503-344 Level 3 Communications Clackamas N/A
503-345 Level 3 Communications Portland N/A
503-346 Qwest Corporation Portland N/A
503-347 Cellco Partnership Portland N/A
503-348 Cellco Partnership Portland N/A
503-349 Cellco Partnership Portland N/A
503-350 Ziply Fiber Northwest Beaverton N/A
503-351 Cellco Partnership Portland N/A
503-352 Electric Lightwave Beaverton N/A
503-353 Qwest Corporation Clackamas N/A
503-354 Level 3 Communications Tillamook 9/20/2002
503-355 United Telephone Rockaway N/A
503-356 Ziply Fiber Northwest Beaverton N/A
503-357 Ziply Fiber Northwest Beaverton N/A
503-358 T-Mobile USA Portland N/A
503-359 Ziply Fiber Northwest Beaverton N/A
503-360 Onvoy Portland 10/8/2007
503-361 Qwest Corporation Salem N/A
503-362 Qwest Corporation Salem N/A
503-363 Qwest Corporation Salem N/A
503-364 Qwest Corporation Salem N/A
503-365 Qwest Corporation Salem N/A
503-366 Qwest Corporation St Helens N/A
503-367 New Cingular Wireless PCS Portland 12/8/2004
503-368 Nehalem Telecomms Nehalem N/A
503-369 New Cingular Wireless PCS St Helens N/A
503-370 Qwest Corporation Salem N/A
503-371 Qwest Corporation Salem N/A
503-372 Teleport Communications America Beaverton N/A
503-373 Qwest Corporation Salem N/A
503-374 Level 3 Communications Tillamook 6/17/2002
503-375 Qwest Corporation Salem N/A
503-376 Level 3 Communications Mcminnville N/A
503-377 United Telephone Bay City N/A
503-378 Qwest Corporation Salem N/A
503-379 Level 3 Communications Mcminnville N/A
503-380 T-Mobile USA Portland N/A
503-381 T-Mobile USA Portland N/A
503-382 Teleport Communications America Portland N/A
503-383 Teleport Communications America Salem N/A
503-384 Qwest Corporation Portland N/A
503-385 Teleport Communications America Salem N/A
503-386 Onvoy Knappa 9/4/2008
503-387 Teleport Communications America Clackamas N/A
503-388 New Cingular Wireless PCS Portland 4/6/2009
503-389 MCIMetro Access Transmission Services North Plains N/A
503-390 Qwest Corporation Salem N/A
503-391 Qwest Corporation Salem N/A
503-392 United Telephone Cloverdale N/A
503-393 Qwest Corporation Salem N/A
503-394 Scio Mutual Tel. Co. Scio N/A
503-395 Teleport Communications America Rainier N/A
503-396 Cellco Partnership St Helens N/A
503-397 Qwest Corporation St Helens N/A
503-398 United Telephone Beaver N/A
503-399 Qwest Corporation Salem N/A
503-400-XXXX --- 503-499-XXXX
NPANXX Carrier1 Area Served2 Date3
503-400 Level 3 Communications Salem 5/10/2007
503-401 Qwest Corporation Portland N/A
503-402 Qwest Corporation Portland N/A
503-403 MCIMetro Access Transmission Services Beaverton N/A
503-404 MCIMetro Access Transmission Services Stafford-Sandy N/A
503-405 MCIMetro Access Transmission Services Gresham N/A
503-406 Level 3 Communications Clackamas N/A
503-407 Cellco Partnership Portland N/A
503-408 Qwest Corporation Portland N/A
503-409 T-Mobile USA Salem N/A
503-410 MetroPCS St Helens N/A
503-412 Qwest Corporation Portland N/A
503-413 Qwest Corporation Portland N/A
503-414 Qwest Corporation Portland N/A
503-415 Qwest Corporation Portland N/A
503-416 Level 3 Telecom Of Oregon Portland N/A
503-417 Qwest Corporation Portland N/A
503-418 Qwest Corporation Portland N/A
503-419 MCIMetro Access Transmission Services Portland N/A
503-420 T-Mobile USA Dallas N/A
503-421 T-Mobile USA Portland N/A
503-422 T-Mobile USA Portland N/A
503-423 Qwest Corporation Portland N/A
503-424 Level 3 Communications Beaverton N/A
503-425 Qwest Corporation Portland N/A
503-426 North County Communication Corporation Portland N/A
503-427 Level 3 Communications Stafford-Sandy N/A
503-428 New Cingular Wireless PCS Salem N/A
503-429 Ziply Fiber Northwest Vernonia N/A
503-430 Teleport Communications America Beaverton N/A
503-431 Ziply Fiber Northwest Beaverton N/A
503-432 Teleport Communications America Portland N/A
503-433 MCIMetro Access Transmission Services North Plains N/A
503-434 Ziply Fiber Northwest Mcminnville N/A
503-435 Ziply Fiber Northwest Mcminnville N/A
503-436 Qwest Corporation Cannon Beach N/A
503-437 MetroPCS Mcminnville N/A
503-438 Teleport Communications America St Helens N/A
503-439 Ziply Fiber Northwest Beaverton N/A
503-440 Cellco Partnership Seaside N/A
503-441 Qwest Corporation Portland N/A
503-442 T-Mobile USA Portland 1/26/2005
503-443 Ziply Fiber Northwest Beaverton N/A
503-444 Electric Lightwave Portland N/A
503-445 Electric Lightwave Portland N/A
503-446 New Cingular Wireless PCS Portland 7/1/2009
503-447 Teleport Communications America North Plains N/A
503-448 Scs Communications And Security Aumsville-Turner N/A
503-449 T-Mobile USA Portland N/A
503-450 Qwest Corporation Portland N/A
503-451 Teleport Communications America Clackamas N/A
503-452 Qwest Corporation Portland N/A
503-453 Ziply Fiber Northwest Portland N/A
503-454 Teleport Communications America Stafford-Sandy N/A
503-455 Qwest Corporation Westport N/A
503-456 MCIMetro Access Transmission Services Beaverton N/A
503-457 Cellco Partnership Tillamook N/A
503-458 Centurytel Of Oregon Knappa N/A
503-459 Level 3 Telecom Of Oregon Portland 4/25/2002
503-460 Qwest Corporation Portland N/A
503-461 Onvoy Grand Ronde 11/9/2018
503-462 Teleport Communications America Clackamas N/A
503-463 Qwest Corporation Salem N/A
503-464 Qwest Corporation Portland N/A
503-465 Ziply Fiber Northwest Gresham N/A
503-466 Ziply Fiber Northwest Beaverton N/A
503-467 Electric Lightwave Portland N/A
503-468 Level 3 Communications Astoria 2/7/2002
503-469 Ziply Fiber Northwest Beaverton N/A
503-470 T-Mobile USA Seaside 12/3/2001
503-471 Qwest Corporation Portland N/A
503-472 Ziply Fiber Northwest Mcminnville N/A
503-473 MCIMetro Access Transmission Services Portland N/A
503-474 Ziply Fiber Northwest Mcminnville N/A
503-475 New Cingular Wireless PCS Portland N/A
503-476 Electric Lightwave Newberg N/A
503-477 Cellco Partnership Portland 12/19/2006
503-478 Qwest Corporation Portland N/A
503-479 Level 3 Telecom Of Oregon Clackamas N/A
503-480 Electric Lightwave Salem N/A
503-481 T-Mobile USA Portland N/A
503-482 Level 3 Telecom Of Oregon Stafford-Sandy N/A
503-483 Level 3 Communications Pacific City 4/6/2004
503-484 Teleport Communications America Portland N/A
503-485 Electric Lightwave Salem N/A
503-486 Level 3 Communications Stafford-Sandy N/A
503-487 Level 3 Communications Newberg N/A
503-488 Level 3 Telecom Of Oregon Portland N/A
503-489 Electric Lightwave Gresham N/A
503-490 T-Mobile USA Portland N/A
503-491 Ziply Fiber Northwest Gresham N/A
503-492 Ziply Fiber Northwest Gresham N/A
503-493 Qwest Corporation Portland N/A
503-494 Qwest Corporation Portland N/A
503-495 Teleport Communications America Beaverton N/A
503-496 Electric Lightwave Clackamas N/A
503-497 Qwest Corporation Portland N/A
503-498 Teleport Communications America Stafford-Sandy N/A
503-499 Qwest Corporation Portland N/A
503-500-XXXX --- 503-599-XXXX
NPANXX Carrier1 Area Served2 Date3
503-500 Teltrust Corporation Portland 4/6/2009
503-501 New Cingular Wireless PCS Portland 3/10/2008
503-502 Cellco Partnership Portland N/A
503-503 Onvoy Sherwood 06/04/2024
503-504 Cellco Partnership Portland N/A
503-505 Electric Lightwave Portland 6/3/2008
503-506 Teleport Communications America Stafford-Sandy N/A
503-507 Cellco Partnership Salem N/A
503-508 New Cingular Wireless PCS Salem N/A
503-509 Cellco Partnership Stayton 7/12/2011
503-510 New Cingular Wireless PCS Salem N/A
503-512 Level 3 Telecom Of Oregon Gresham N/A
503-513 Qwest Corporation Clackamas N/A
503-514 USA Mobility Wireless Portland N/A
503-515 T-Mobile USA Portland N/A
503-516 T-Mobile USA Portland N/A
503-517 Electric Lightwave Portland N/A
503-518 Beaver Creek Cooperative Telephone Company Clackamas N/A
503-519 T-Mobile USA Portland N/A
503-520 Ziply Fiber Northwest Beaverton N/A
503-521 Ziply Fiber Northwest Beaverton N/A
503-522 Cellco Partnership Portland N/A
503-523 Level 3 Communications Beaverton N/A
503-524 Ziply Fiber Northwest Beaverton N/A
503-525 Qwest Corporation Portland N/A
503-526 Ziply Fiber Northwest Beaverton N/A
503-527 USA Mobility Wireless Portland N/A
503-528 Qwest Corporation Portland N/A
503-529 USA Mobility Wireless Portland N/A
503-530 Teleport Communications America Beaverton N/A
503-531 Ziply Fiber Northwest Beaverton N/A
503-532 MCIMetro Access Transmission Services Beaverton N/A
503-533 Ziply Fiber Northwest Beaverton N/A
503-534 Qwest Corporation Clackamas N/A
503-535 Teleport Communications America Portland N/A
503-536 Level 3 Communications Beaverton N/A
503-537 Ziply Fiber Northwest Newberg N/A
503-538 Ziply Fiber Northwest Newberg N/A
503-539 New Cingular Wireless PCS Portland N/A
503-540 Qwest Corporation Salem N/A
503-542 Electric Lightwave Portland N/A
503-543 Centurytel Of Oregon Scappoose N/A
503-544 T-Mobile USA Portland N/A
503-545 Cellco Partnership Portland 9/22/2005
503-546 Electric Lightwave Portland N/A
503-547 Ziply Fiber Northwest Beaverton N/A
503-548 Electric Lightwave Portland N/A
503-549 Level 3 Communications Beaverton N/A
503-550 New Cingular Wireless PCS Newberg N/A
503-551 New Cingular Wireless PCS Salem N/A
503-552 Qwest Corporation Portland N/A
503-553 Qwest Corporation Portland N/A
503-554 Ziply Fiber Northwest Newberg N/A
503-556 Qwest Corporation Rainier N/A
503-557 Qwest Corporation Clackamas N/A
503-558 Ziply Fiber Northwest Stafford-Sandy N/A
503-559 New Cingular Wireless PCS Salem N/A
503-560 T-Mobile USA Mcminnville N/A
503-561 Electric Lightwave Salem N/A
503-562 Electric Lightwave Salem 5/19/2003
503-563 Level 3 Communications Stafford-Sandy N/A
503-564 Level 3 Communications Hood Land 1/28/2005
503-565 Onvoy Mcminnville N/A
503-566 Qwest Corporation Salem N/A
503-567 Electric Lightwave Beaverton 3/2/2009
503-568 New Cingular Wireless PCS Portland 8/21/2008
503-569 T-Mobile USA Salem N/A
503-570 Ziply Fiber Northwest Stafford-Sandy N/A
503-571 Qwest Corporation Clackamas N/A
503-572 T-Mobile USA Portland N/A
503-573 Level 3 Communications Gresham N/A
503-574 Ziply Fiber Northwest Beaverton N/A
503-575 MCIMetro Access Transmission Services Portland 11/18/2008
503-576 Qwest Corporation Salem N/A
503-577 Cellco Partnership Portland N/A
503-578 Ziply Fiber Northwest Beaverton N/A
503-579 Ziply Fiber Northwest Beaverton N/A
503-580 New Cingular Wireless PCS Salem N/A
503-581 Qwest Corporation Salem N/A
503-582 Ziply Fiber Northwest Stafford-Sandy N/A
503-583 Cellco Partnership Mcminnville 9/8/2008
503-584 Qwest Corporation Salem N/A
503-585 Qwest Corporation Salem N/A
503-586 Electric Lightwave Salem N/A
503-587 Qwest Corporation Salem N/A
503-588 Qwest Corporation Salem N/A
503-589 Qwest Corporation Salem N/A
503-590 Ziply Fiber Northwest Beaverton N/A
503-591 Ziply Fiber Northwest Beaverton N/A
503-592 Level 3 Telecom Of Oregon Canby-Needy N/A
503-593 Cellco Partnership Portland 11/14/2005
503-594 Electric Lightwave Clackamas N/A
503-595 Electric Lightwave Portland N/A
503-596 Ziply Fiber Northwest Beaverton N/A
503-597 Electric Lightwave Beaverton N/A
503-598 Ziply Fiber Northwest Beaverton N/A
503-599 USA Mobility Wireless Portland N/A
503-600-XXXX --- 503-699-XXXX
NPANXX Carrier1 Area Served2 Date3
503-600 Astound Broadband Molalla 6/19/2009
503-601 Electric Lightwave Beaverton N/A
503-602 T-Mobile USA Salem N/A
503-603 Ziply Fiber Northwest Beaverton N/A
503-604 USA Mobility Wireless Portland N/A
503-605 Ziply Fiber Northwest Beaverton N/A
503-606 Qwest Corporation Dallas N/A
503-607 Electric Lightwave Clackamas N/A
503-608 Level 3 Telecom Of Oregon Beaverton N/A
503-609 Bandwidth.com Clec Corbett 8/13/2004
503-610 MCIMetro Access Transmission Services Sherwood N/A
503-612 Ziply Fiber Northwest Stafford-Sandy N/A
503-613 MCIMetro Access Transmission Services Beaverton N/A
503-614 Ziply Fiber Northwest Beaverton N/A
503-615 Ziply Fiber Northwest Beaverton N/A
503-616 MCIMetro Access Transmission Services Beaverton N/A
503-617 Ziply Fiber Northwest Beaverton N/A
503-618 Ziply Fiber Northwest Gresham N/A
503-619 Electric Lightwave Beaverton N/A
503-620 Ziply Fiber Northwest Beaverton N/A
503-621 Qwest Corporation Portland N/A
503-622 Ziply Fiber Northwest Hood Land N/A
503-623 Qwest Corporation Dallas N/A
503-624 Ziply Fiber Northwest Beaverton N/A
503-625 Ziply Fiber Northwest Sherwood N/A
503-626 Ziply Fiber Northwest Beaverton N/A
503-627 Ziply Fiber Northwest Beaverton N/A
503-628 Ziply Fiber Northwest Beaverton N/A
503-629 Ziply Fiber Northwest Beaverton N/A
503-630 Cascade Utilities Estacada N/A
503-631 Clear Creek Mutual Tel. Co. Redland N/A
503-632 Beaver Creek Coop. Tel. Co. Beavercreek N/A
503-633 St. Paul Coop. Tel. Assn. St Paul N/A
503-634 Monitor Coop. Tel. Co. Monitor N/A
503-635 Qwest Corporation Clackamas N/A
503-636 Qwest Corporation Clackamas N/A
503-637 Cascade Utilities Estacada N/A
503-638 Ziply Fiber Northwest Stafford-Sandy N/A
503-639 Ziply Fiber Northwest Beaverton N/A
503-640 Ziply Fiber Northwest Beaverton N/A
503-641 Ziply Fiber Northwest Beaverton N/A
503-642 Ziply Fiber Northwest Beaverton N/A
503-643 Ziply Fiber Northwest Beaverton N/A
503-644 Ziply Fiber Northwest Beaverton N/A
503-645 Ziply Fiber Northwest Beaverton N/A
503-646 Ziply Fiber Northwest Beaverton N/A
503-647 Qwest Corporation North Plains N/A
503-648 Ziply Fiber Northwest Beaverton N/A
503-649 Ziply Fiber Northwest Beaverton N/A
503-650 Qwest Corporation Clackamas N/A
503-651 Canby Tel. Assn. Canby-Needy N/A
503-652 Qwest Corporation Clackamas N/A
503-653 Qwest Corporation Clackamas N/A
503-654 Qwest Corporation Clackamas N/A
503-655 Qwest Corporation Clackamas N/A
503-656 Qwest Corporation Clackamas N/A
503-657 Qwest Corporation Clackamas N/A
503-658 Ziply Fiber Northwest Stafford-Sandy N/A
503-659 Qwest Corporation Clackamas N/A
503-660 Ziply Fiber Northwest Gresham N/A
503-661 Ziply Fiber Northwest Gresham N/A
503-662 Ziply Fiber Northwest Yamhill N/A
503-663 Ziply Fiber Northwest Gresham N/A
503-664 T-Mobile USA Beaver 9/17/2004
503-665 Ziply Fiber Northwest Gresham N/A
503-666 Ziply Fiber Northwest Gresham N/A
503-667 Ziply Fiber Northwest Gresham N/A
503-668 Ziply Fiber Northwest Stafford-Sandy N/A
503-669 Ziply Fiber Northwest Gresham N/A
503-670 Ziply Fiber Northwest Beaverton N/A
503-671 Ziply Fiber Northwest Beaverton N/A
503-672 Ziply Fiber Northwest Beaverton N/A
503-673 Ziply Fiber Northwest Stafford-Sandy N/A
503-674 Ziply Fiber Northwest Gresham N/A
503-675 Qwest Corporation Clackamas N/A
503-676 Teleport Communications America Gresham N/A
503-677 Ziply Fiber Northwest Beaverton N/A
503-678 Centurytel Of Oregon Aurora N/A
503-679 Cellco Partnership Portland N/A
503-680 Cellco Partnership Portland N/A
503-681 Ziply Fiber Northwest Beaverton N/A
503-682 Ziply Fiber Northwest Stafford-Sandy N/A
503-683 Teleport Communications America Clackamas N/A
503-684 Ziply Fiber Northwest Beaverton N/A
503-685 Ziply Fiber Northwest Stafford-Sandy N/A
503-686 Teleport Communications America Beaverton N/A
503-687 Pacific Wave Communications Mcminnville N/A
503-688 Electric Lightwave Portland N/A
503-689 New Cingular Wireless PCS Salem N/A
503-690 Ziply Fiber Northwest Beaverton N/A
503-691 Ziply Fiber Northwest Stafford-Sandy N/A
503-692 Ziply Fiber Northwest Stafford-Sandy N/A
503-693 Ziply Fiber Northwest Beaverton N/A
503-694 Centurytel Of Oregon Charbonneau N/A
503-695 Cascade Utilities Corbett N/A
503-696 MCIMetro Access Transmission Services Beaverton N/A
503-697 Qwest Corporation Clackamas N/A
503-698 Ziply Fiber Northwest Stafford-Sandy N/A
503-699 Qwest Corporation Clackamas N/A
503-701-XXXX --- 503-799-XXXX
NPANXX Carrier1 Area Served2 Date3
503-701 New Cingular Wireless PCS Portland N/A
503-702 New Cingular Wireless PCS Portland N/A
503-703 New Cingular Wireless PCS Portland N/A
503-704 New Cingular Wireless PCS Portland N/A
503-705 New Cingular Wireless PCS Portland N/A
503-706 New Cingular Wireless PCS Portland N/A
503-707 MCIMetro Access Transmission Services Beaverton N/A
503-708 New Cingular Wireless PCS Portland N/A
503-709 New Cingular Wireless PCS Portland N/A
503-710 Cellco Partnership Woodburn N/A
503-712 MCIMetro Access Transmission Services Beaverton N/A
503-713 Level 3 Communications Beaverton N/A
503-714 Bandwidth.com Clec Dayton N/A
503-715 Level 3 Communications Portland N/A
503-716 MCIMetro Access Transmission Services Beaverton N/A
503-717 Qwest Corporation Seaside N/A
503-718 Electric Lightwave Beaverton N/A
503-719 New Cingular Wireless PCS Portland 4/22/2008
503-720 New Cingular Wireless PCS Portland N/A
503-721 Qwest Corporation Portland N/A
503-722 Qwest Corporation Clackamas N/A
503-723 Qwest Corporation Clackamas N/A
503-724 New Cingular Wireless PCS Portland 8/8/2006
503-725 Qwest Corporation Portland N/A
503-726 Electric Lightwave Beaverton N/A
503-727 Qwest Corporation Portland N/A
503-728 Ziply Fiber Northwest Clatskanie N/A
503-729 Cellco Partnership Portland 10/23/2006
503-730 Cellco Partnership Portland N/A
503-731 Qwest Corporation Portland N/A
503-732 Level 3 Telecom Of Oregon Beavercreek N/A
503-733 Qwest Corporation Portland N/A
503-734 Level 3 Telecom Of Oregon Portland N/A
503-735 Qwest Corporation Portland N/A
503-736 Qwest Corporation Portland N/A
503-737 Qwest Corporation Portland N/A
503-738 Qwest Corporation Seaside N/A
503-739 New Cingular Wireless PCS Seaside N/A
503-740 T-Mobile USA Portland N/A
503-741 T-Mobile USA Astoria N/A
503-742 Qwest Corporation Clackamas N/A
503-743 Ziply Fiber Northwest Aumsville-Turner N/A
503-744 Teleport Communications America Clackamas N/A
503-745 MCIMetro Access Transmission Services Portland N/A
503-746 Teleport Communications America Beaverton N/A
503-747 Teleport Communications America Beaverton N/A
503-748 Electric Lightwave Beaverton N/A
503-749 Ziply Fiber Northwest Aumsville-Turner N/A
503-750 T-Mobile USA Portland N/A
503-751 Qwest Corporation Dallas N/A
503-752 T-Mobile USA Portland N/A
503-753 T-Mobile USA Portland N/A
503-754 T-Mobile USA Portland N/A
503-755 Centurytel Of Oregon Jewell N/A
503-756 T-Mobile USA Portland N/A
503-757 T-Mobile USA Portland N/A
503-758 Cellco Partnership Portland 8/16/2005
503-759 Molalla Tel. Co. Molalla N/A
503-760 Qwest Corporation Portland N/A
503-761 Qwest Corporation Portland N/A
503-762 Qwest Corporation Portland N/A
503-763 Qwest Corporation Salem N/A
503-764 Electric Lightwave Portland 10/12/2005
503-765 Teleport Communications America Clackamas N/A
503-766 Teleport Communications America Gresham N/A
503-767 Stayton Coop. Tel. Co. Stayton N/A
503-768 Qwest Corporation Portland N/A
503-769 Stayton Coop. Tel. Co. Stayton N/A
503-770 Level 3 Telecom Of Oregon Charbonneau N/A
503-771 Qwest Corporation Portland N/A
503-772 Qwest Corporation Portland N/A
503-773 Level 3 Telecom Of Oregon North Plains N/A
503-774 Qwest Corporation Portland N/A
503-775 Qwest Corporation Portland N/A
503-776 Level 3 Telecom Of Oregon Aurora N/A
503-777 Qwest Corporation Portland N/A
503-778 Qwest Corporation Portland N/A
503-779 Electric Lightwave Salem N/A
503-780 New Cingular Wireless PCS Portland N/A
503-781 New Cingular Wireless PCS Portland N/A
503-782 Level 3 Communications Pacific City 2/9/2005
503-783 Electric Lightwave Stafford-Sandy N/A
503-784 New Cingular Wireless PCS Portland N/A
503-785 Qwest Corporation Clackamas N/A
503-786 Qwest Corporation Clackamas N/A
503-787 Qwest Corporation Falls City N/A
503-788 Qwest Corporation Portland N/A
503-789 New Cingular Wireless PCS Portland N/A
503-790 Qwest Corporation Portland N/A
503-791 New Cingular Wireless PCS Astoria N/A
503-792 Gervais Tel. Co. Gervais N/A
503-793 T-Mobile USA Portland N/A
503-794 Qwest Corporation Clackamas N/A
503-795 Qwest Corporation Portland N/A
503-796 Qwest Corporation Portland N/A
503-797 Qwest Corporation Portland N/A
503-798 Electric Lightwave Salem N/A
503-799 New Cingular Wireless PCS Portland N/A
503-800-XXXX --- 503-899-XXXX
NPANXX Carrier1 Area Served2 Date3
503-800 Astound Broadband Gervais 6/19/2009
503-801 New Cingular Wireless PCS Tillamook N/A
503-802 Electric Lightwave Portland N/A
503-803 New Cingular Wireless PCS Portland N/A
503-804 New Cingular Wireless PCS Portland N/A
503-805 New Cingular Wireless PCS Portland N/A
503-806 New Cingular Wireless PCS Portland N/A
503-807 New Cingular Wireless PCS Portland N/A
503-808 Electric Lightwave Portland N/A
503-809 T-Mobile USA North Plains N/A
503-810 T-Mobile USA Portland N/A
503-812 Cellco Partnership Tillamook N/A
503-813 Qwest Corporation Portland N/A
503-814 Electric Lightwave Salem 9/26/2008
503-815 United Telephone Tillamook N/A
503-816 New Cingular Wireless PCS Portland N/A
503-817 USA Mobility Wireless Portland N/A
503-818 USA Mobility Wireless Portland N/A
503-819 New Cingular Wireless PCS Portland N/A
503-820 MCIMetro Access Transmission Services Portland N/A
503-821 MCIMetro Access Transmission Services Portland N/A
503-822 Level 3 Communications Sherwood N/A
503-823 Qwest Corporation Portland N/A
503-824 Colton Tel. Co. Colton N/A
503-825 Teleport Communications America Sherwood N/A
503-826 Ziply Fiber Northwest Stafford-Sandy N/A
503-827 Qwest Corporation Portland N/A
503-828 Level 3 Communications Beaverton N/A
503-829 Molalla Tel. Co. Molalla N/A
503-830 New Cingular Wireless PCS Portland N/A
503-831 Qwest Corporation Dallas N/A
503-832 Onvoy Stafford-Sandy N/A
503-833 Qwest Corporation Portland N/A
503-834 Cascade Utilities Estacada N/A
503-835 Ziply Fiber Northwest Amity N/A
503-836 Level 3 Communications Astoria 5/8/2001
503-837 Onvoy Dallas 4/21/2006
503-838 Qwest Corporation Dallas N/A
503-839 New Cingular Wireless PCS Portland 7/28/2006
503-840 Level 3 Telecom Of Oregon Beaverton N/A
503-841 T-Mobile USA Portland 10/21/2005
503-842 United Telephone Tillamook N/A
503-843 United Telephone Sheridan N/A
503-844 Ziply Fiber Northwest Beaverton N/A
503-845 Mt. Angel Tel. Co. Mount Angel N/A
503-846 Ziply Fiber Northwest Beaverton N/A
503-847 New Cingular Wireless PCS Portland 11/19/2008
503-848 Ziply Fiber Pacific Beaverton N/A
503-849 T-Mobile USA Portland N/A
503-850 Level 3 Telecom Of Oregon Clackamas N/A
503-851 T-Mobile USA Salem N/A
503-852 United Telephone Carlton N/A
503-853 Cellco Partnership Portland 2/24/2006
503-854 Ziply Fiber Northwest Detroit N/A
503-855 Level 3 Telecom Of Oregon Stafford-Sandy N/A
503-856 Qwest Corporation Salem N/A
503-857 Level 3 Telecom Of Oregon Mcminnville N/A
503-858 Level 3 Telecom Of Oregon Beaverton N/A
503-859 Peoples Tel. Co. Lyons N/A
503-860 New Cingular Wireless PCS Portland N/A
503-861 Qwest Corporation Warrenton N/A
503-862 Level 3 Telecom Of Oregon Sherwood N/A
503-863 New Cingular Wireless PCS Portland 10/17/2006
503-864 Ziply Fiber Northwest Dayton N/A
503-865 Qwest Corporation Portland N/A
503-866 New Cingular Wireless PCS Portland N/A
503-867 Cellco Partnership Portland 8/17/2006
503-868 Ziply Fiber Northwest Grand Island N/A
503-869 New Cingular Wireless PCS Portland N/A
503-870 USA Mobility Wireless Portland N/A
503-871 Cellco Partnership Salem N/A
503-872 Qwest Corporation Portland N/A
503-873 Ziply Fiber Northwest Silverton N/A
503-874 Ziply Fiber Northwest Silverton N/A
503-875 New Cingular Wireless PCS Portland 7/20/2006
503-876 United Telephone Willamina N/A
503-877 Cellco Partnership Salem 8/11/2009
503-878 MCIMetro Access Transmission Services Stafford-Sandy N/A
503-879 United Telephone Grand Ronde N/A
503-880 New Cingular Wireless PCS Portland N/A
503-881 New Cingular Wireless PCS Salem N/A
503-882 Level 3 Telecom Of Oregon Clackamas N/A
503-883 Electric Lightwave Mcminnville N/A
503-884 T-Mobile USA Salem N/A
503-885 Ziply Fiber Northwest Stafford-Sandy N/A
503-886 Qwest Corporation Portland N/A
503-887 New Cingular Wireless PCS Portland N/A
503-888 T-Mobile USA Portland N/A
503-889 Teleport Communications America Portland N/A
503-890 T-Mobile USA Portland N/A
503-891 T-Mobile USA Portland N/A
503-892 Qwest Corporation Portland N/A
503-893 Ip Horizon Portland 7/10/2009
503-894 Cellco Partnership Portland 8/28/2009
503-895 Onvoy Hood Land 11/15/2006
503-896 Cellco Partnership Portland 9/20/2007
503-897 Ziply Fiber Northwest Mill City N/A
503-898 Beaver Creek Cooperative Telephone Company Redland 2/22/2006
503-899 Level 3 Telecom Of Oregon Newberg N/A
503-900-XXXX --- 503-999-XXXX
NPANXX Carrier1 Area Served2 Date3
503-900 Astound Broadband Lyons 6/19/2009
503-901 T-Mobile USA Portland N/A
503-902 Astound Broadband Woodburn 6/3/2009
503-903 USA Mobility Wireless Portland N/A
503-904 USA Mobility Wireless Portland N/A
503-905 Electric Lightwave Clackamas N/A
503-906 Electric Lightwave Beaverton N/A
503-907 Electric Lightwave Gresham N/A
503-908 Comcast IP Phone Clackamas N/A
503-909 Qwest Corporation Portland N/A
503-910 Cellco Partnership Salem N/A
503-912 Comcast IP Phone Gresham 10/5/2006
503-913 New Cingular Wireless PCS Portland N/A
503-914 T-Mobile USA Portland N/A
503-915 New Cingular Wireless PCS Portland 12/18/2008
503-916 Qwest Corporation Portland N/A
503-917 T-Mobile USA Dallas N/A
503-918 USA Mobility Wireless Salem N/A
503-919 New Cingular Wireless PCS Clackamas N/A
503-920 USA Mobility Wireless Portland N/A
503-921 USA Mobility Wireless Portland N/A
503-922 Teleport Communications America Portland 5/18/2005
503-923 Eltopia Communications Beaverton N/A
503-924 Electric Lightwave Beaverton N/A
503-925 Ziply Fiber Northwest Sherwood N/A
503-926 New Cingular Wireless PCS Portland 9/10/2008
503-927 T-Mobile USA Portland 1/12/2006
503-928 New Cingular Wireless PCS Portland 8/8/2006
503-929 New Cingular Wireless PCS Portland 11/3/2005
503-930 Cellco Partnership Salem N/A
503-931 New Cingular Wireless PCS Salem N/A
503-932 T-Mobile USA Salem N/A
503-933 New Cingular Wireless PCS Portland 7/28/2006
503-934 Qwest Corporation Salem 9/12/2005
503-935 New Cingular Wireless PCS Portland 3/12/2007
503-936 Cellco Partnership Portland N/A
503-937 MCIMetro Access Transmission Services Portland N/A
503-938 USA Mobility Wireless Portland N/A
503-939 Cellco Partnership Portland N/A
503-940 USA Mobility Wireless Portland N/A
503-941 Level 3 Telecom Of Oregon Beaverton N/A
503-942 USA Mobility Wireless Portland N/A
503-943 Electric Lightwave Portland N/A
503-944 Qwest Corporation Portland N/A
503-945 Qwest Corporation Salem N/A
503-946 Teleport Communications America Portland N/A
503-947 Qwest Corporation Salem N/A
503-948 Qwest Corporation Portland N/A
503-949 Cellco Partnership Salem N/A
503-951 Cellco Partnership Woodburn N/A
503-952 Qwest Corporation Portland N/A
503-953 Cellco Partnership Portland 8/8/2007
503-954 New Cingular Wireless PCS Portland 3/12/2007
503-955 USA Mobility Wireless Portland N/A
503-956 Cellco Partnership Portland 6/14/2005
503-957 T-Mobile USA Portland N/A
503-960 New Cingular Wireless PCS Portland 2/26/2007
503-961 Electric Lightwave Portland N/A
503-962 Qwest Corporation Portland N/A
503-963 Qwest Corporation Portland N/A
503-964 Cellco Partnership Portland 7/10/2009
503-965 United Telephone Pacific City N/A
503-966 Onvoy Westport 7/20/2007
503-967 Electric Lightwave Salem N/A
503-968 Ziply Fiber Northwest Beaverton N/A
503-969 MetroPCS Portland N/A
503-970 New Cingular Wireless PCS Portland N/A
503-972 Electric Lightwave Portland N/A
503-973 Qwest Corporation Portland N/A
503-974 Comcast IP Phone Clackamas N/A
503-975 T-Mobile USA Portland N/A
503-977 Qwest Corporation Portland N/A
503-978 Qwest Corporation Portland N/A
503-979 Astound Broadband Stayton 6/19/2009
503-980 Qwest Corporation Woodburn N/A
503-981 Qwest Corporation Woodburn N/A
503-982 Qwest Corporation Woodburn N/A
503-983 Cellco Partnership Salem 3/11/2009
503-984 T-Mobile USA Woodburn N/A
503-985 Ziply Fiber Northwest Beaverton N/A
503-986 Qwest Corporation Salem N/A
503-987 Comcast IP Phone Scappoose 12/8/2005
503-988 Qwest Corporation Portland N/A
503-989 New Cingular Wireless PCS Woodburn N/A
503-990 MetroPCS Salem N/A
503-991 MetroPCS Salem N/A
503-992 Ziply Fiber Northwest Beaverton N/A
503-993 USA Mobility Wireless Portland N/A
503-994 Onvoy Warrenton 9/25/2006
503-995 New Cingular Wireless PCS Portland 2/8/2007
503-996 Astound Broadband Mount Angel 6/19/2009
503-997 T-Mobile USA Portland N/A
503-998 T-Mobile USA Portland N/A
503-999 T-Mobile USA Salem N/A
  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 503

City1 County Time Zone1
Amity Yamhill P
Arch Cape Clatsop P
Astoria Clatsop P
Aumsville Marion P
Aurora Marion P
Banks Washington P
Bay City Tillamook P
Beaver Tillamook P
Beavercreek Clackamas P
Beaverton Washington P
Boring Clackamas P
Bridal Veil Multnomah P
Brightwood Clackamas P
Buxton Washington P
Canby Clackamas P
Cannon Beach Clatsop P
Carlton Yamhill P
Clackamas Clackamas P
Clatskanie Columbia P
Cloverdale Tillamook P
Colton Clackamas P
Columbia City Columbia P
Corbett Multnomah P
Cornelius Washington P
Dallas Polk P
Damascus Clackamas P
Dayton Yamhill P
Deer Island Columbia P
Detroit Marion P
Donald Marion P
Dundee Yamhill P
Eagle Creek Clackamas P
Estacada Clackamas P
Fairview Multnomah P
Falls City Polk P
Forest Grove Washington P
Gales Creek Washington P
Garibaldi Tillamook P
Gaston Washington P
Gates Marion P
Gervais Marion P
Gladstone Clackamas P
Government Camp Clackamas P
Grand Ronde Polk P
Gresham Multnomah P
Hammond Clatsop P
Happy Valley Clackamas P
Hebo Tillamook P
Hillsboro Washington P
Hubbard Marion P
Idanha Marion P
Independence Polk P
Keizer Marion P
Lafayette Yamhill P
Lake Oswego Clackamas P
Lyons Linn P
Manning Washington P
Manzanita Tillamook P
Marylhurst Clackamas P
McMinnville Yamhill P
Mehama Marion P
Mill City Linn P
Molalla Clackamas P
Monmouth Polk P
Mount Angel Marion P
Mulino Clackamas P
Nehalem Tillamook P
Neskowin Tillamook P
Netarts Tillamook P
Newberg Yamhill P
North Plains Washington P
Oceanside Tillamook P
Oregon City Clackamas P
Pacific City Tillamook P
Portland Multnomah P
Rainier Columbia P
Rhododendron Clackamas P
Rickreall Polk P
Rockaway Beach Tillamook P
Salem Polk P
Sandy Clackamas P
Scappoose Columbia P
Scio Linn P
Scotts Mills Marion P
Seaside Clatsop P
Sheridan Yamhill P
Sherwood Washington P
Silverton Marion P
St Benedict Marion P
St Helens Columbia P
St Paul Marion P
Stayton Marion P
Sublimity Marion P
Tigard Washington P
Tillamook Tillamook P
Timber Washington P
Tolovana Park Clatsop P
Troutdale Multnomah P
Tualatin Washington P
Turner Marion P
Vernonia Columbia P
Warren Columbia P
Warrenton Clatsop P
Welches Clackamas P
West Linn Clackamas P
Wheeler Tillamook P
Willamina Yamhill P
Wilsonville Clackamas P
Woodburn Marion P
Yamhill Yamhill P
  1. Listed above are most places served by USA area code 503. 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. P stands for Pacific Time (currently ).
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