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