Area code 503 serves northwestern Oregon, including Portland, Salem, and Tillamook. Until 1995, 503 covered the entire state of Oregon. Area code 971 overlays the area, making 10-digit dialing necessary.
- 503-259
- Landline Number
- Beaverton, OR
- 503-264
- Landline Number
- Hillsboro, OR
- 503-268
- Landline Number
- Beaverton, OR
- 503-270
- Landline Number
- Beaverton, OR
- 503-272
- Landline Number
- Government Camp, OR
- 503-277
- Landline Number
- Beaverton, OR
- 503-308
- Landline Number
- Clatskanie, OR
- 503-324
- Landline Number
- Beaverton, OR
- 503-336
- Landline Number
- Beaverton, OR
- 503-345
- Landline Number
- Cloverdale, OR
- 503-350
- Landline Number
- Beaverton, OR
- 503-352
- Landline Number
- Beaverton, OR
- 503-353
- Landline Number
- Clackamas, OR
- 503-354
- Landline Number
- Tillamook, OR
- 503-356
- Landline Number
- Beaverton, OR
- 503-357
- Landline Number
- Forest Grove, OR
- 503-359
- Landline Number
- Forest Grove, OR
- 503-372
- Landline Number
- Beaverton, OR
- 503-374
- Landline Number
- Tillamook, OR
- 503-376
- Landline Number
- Mcminnville, OR
- 503-379
- Landline Number
- Mcminnville, OR
- 503-392
- Landline Number
- Cloverdale, OR
- 503-419
- Landline Number
- Beaverton, OR
- 503-424
- Landline Number
- Beaverton, OR
- 503-430
- Landline Number
- Beaverton, OR
- 503-431
- Landline Number
- Beaverton, OR
- 503-433
- Landline Number
- North Plains, OR
- 503-434
- Landline Number
- Mcminnville, OR
- 503-435
- Landline Number
- Mcminnville, OR
- 503-439
- Landline Number
- Beaverton, OR
- 503-443
- Landline Number
- Beaverton, OR
- 503-444
- Landline Number
- Beaverton, OR
- 503-445
- Landline Number
- Beaverton, OR
- 503-446
- Landline Number
- Silverton, OR
- 503-456
- Landline Number
- Beaverton, OR
- 503-466
- Landline Number
- Beaverton, OR
- 503-469
- Landline Number
- Beaverton, OR
- 503-472
- Landline Number
- Mcminnville, OR
- 503-474
- Landline Number
- Mcminnville, OR
- 503-483
- Landline Number
- Cloverdale, OR
- 503-495
- Landline Number
- Beaverton, OR
- 503-513
- Landline Number
- Clackamas, OR
- 503-517
- Landline Number
- Beaverton, OR
- 503-518
- Landline Number
- Beavercreek, OR
- 503-520
- Landline Number
- Beaverton, OR
- 503-521
- Landline Number
- Beaverton, OR
- 503-524
- Landline Number
- Beaverton, OR
- 503-526
- Landline Number
- Beaverton, OR
- 503-530
- Landline Number
- Beaverton, OR
- 503-531
- Landline Number
- Beaverton, OR
- 503-532
- Landline Number
- Beaverton, OR
- 503-533
- Landline Number
- Beaverton, OR
- 503-534
- Landline Number
- Lake Oswego, OR
- 503-543
- Landline Number
- Scappoose, OR
- 503-546
- Landline Number
- Beaverton, OR
- 503-547
- Landline Number
- Hillsboro, OR
- 503-557
- Landline Number
- Oregon City, OR
- 503-565
- Landline Number
- Mcminnville, OR
- 503-567
- Landline Number
- Beaverton, OR
- 503-574
- Landline Number
- Beaverton, OR
- 503-578
- Landline Number
- Beaverton, OR
- 503-579
- Landline Number
- Beaverton, OR
- 503-590
- Landline Number
- Beaverton, OR
- 503-591
- Landline Number
- Beaverton, OR
- 503-596
- Landline Number
- Beaverton, OR
- 503-597
- Landline Number
- Beaverton, OR
- 503-598
- Landline Number
- Beaverton, OR
- 503-601
- Landline Number
- Beaverton, OR
- 503-603
- Landline Number
- Beaverton, OR
- 503-605
- Landline Number
- Beaverton, OR
- 503-606
- Landline Number
- Independence, OR
- 503-608
- Landline Number
- Beaverton, OR
- 503-613
- Landline Number
- Beaverton, OR
- 503-614
- Landline Number
- Beaverton, OR
- 503-615
- Landline Number
- Hillsboro, OR
- 503-617
- Landline Number
- Beaverton, OR
- 503-620
- Landline Number
- Beaverton, OR
- 503-621
- Landline Number
- Burlington, OR
- 503-624
- Landline Number
- Beaverton, OR
- 503-626
- Landline Number
- Beaverton, OR
- 503-627
- Landline Number
- Beaverton, OR
- 503-628
- Landline Number
- Beaverton, OR
- 503-629
- Landline Number
- Beaverton, OR
- 503-632
- Landline Number
- Beavercreek, OR
- 503-635
- Landline Number
- Lake Oswego, OR
- 503-636
- Landline Number
- Lake Oswego, OR
- 503-637
- Landline Number
- Eagle Creek, OR
- 503-639
- Landline Number
- Beaverton, OR
- 503-640
- Landline Number
- Hillsboro, OR
- 503-641
- Landline Number
- Beaverton, OR
- 503-642
- Landline Number
- Beaverton, OR
- 503-643
- Landline Number
- Beaverton, OR
- 503-644
- Landline Number
- Beaverton, OR
- 503-645
- Landline Number
- Beaverton, OR
- 503-646
- Landline Number
- Beaverton, OR
- 503-647
- Landline Number
- North Plains, OR
- 503-648
- Landline Number
- Hillsboro, OR
- 503-649
- Landline Number
- Beaverton, OR
- 503-650
- Landline Number
- Oregon City, OR
- 503-652
- Landline Number
- Clackamas, OR
- 503-653
- Landline Number
- Clackamas, OR
- 503-654
- Landline Number
- Clackamas, OR
- 503-655
- Landline Number
- Oregon City, OR
- 503-656
- Landline Number
- Oregon City, OR
- 503-657
- Landline Number
- Oregon City, OR
- 503-659
- Landline Number
- Clackamas, OR
- 503-670
- Landline Number
- Beaverton, OR
- 503-671
- Landline Number
- Beaverton, OR
- 503-672
- Landline Number
- Beaverton, OR
- 503-675
- Landline Number
- Lake Oswego, OR
- 503-677
- Landline Number
- Beaverton, OR
- 503-681
- Landline Number
- Hillsboro, OR
- 503-684
- Landline Number
- Beaverton, OR
- 503-686
- Landline Number
- Beaverton, OR
- 503-687
- Landline Number
- Mcminnville, OR
- 503-690
- Landline Number
- Beaverton, OR
- 503-693
- Landline Number
- Hillsboro, OR
- 503-696
- Landline Number
- Hillsboro, OR
- 503-697
- Landline Number
- Lake Oswego, OR
- 503-699
- Landline Number
- Lake Oswego, OR
- 503-712
- Landline Number
- Hillsboro, OR
- 503-718
- Landline Number
- Beaverton, OR
- 503-722
- Landline Number
- Oregon City, OR
- 503-723
- Landline Number
- Oregon City, OR
- 503-726
- Landline Number
- Beaverton, OR
- 503-728
- Landline Number
- Clatskanie, OR
- 503-732
- Landline Number
- Beavercreek, OR
- 503-742
- Landline Number
- Oregon City, OR
- 503-746
- Landline Number
- Beaverton, OR
- 503-747
- Landline Number
- Beaverton, OR
- 503-748
- Landline Number
- Beaverton, OR
- 503-751
- Landline Number
- Independence, OR
- 503-773
- Landline Number
- North Plains, OR
- 503-782
- Landline Number
- Cloverdale, OR
- 503-785
- Landline Number
- Clackamas, OR
- 503-786
- Landline Number
- Clackamas, OR
- 503-787
- Landline Number
- Falls City, OR
- 503-794
- Landline Number
- Clackamas, OR
- 503-815
- Landline Number
- Tillamook, OR
- 503-828
- Landline Number
- Beaverton, OR
- 503-838
- Landline Number
- Independence, OR
- 503-840
- Landline Number
- Beaverton, OR
- 503-842
- Landline Number
- Tillamook, OR
- 503-844
- Landline Number
- Hillsboro, OR
- 503-845
- Landline Number
- Mount Angel, OR
- 503-846
- Landline Number
- Hillsboro, OR
- 503-848
- Landline Number
- Beaverton, OR
- 503-857
- Landline Number
- Mcminnville, OR
- 503-858
- Landline Number
- Beaverton, OR
- 503-861
- Landline Number
- Warrenton, OR
- 503-862
- Landline Number
- Beaverton, OR
- 503-873
- Landline Number
- Silverton, OR
- 503-874
- Landline Number
- Silverton, OR
- 503-876
- Landline Number
- Willamina, OR
- 503-879
- Landline Number
- Grand Ronde, OR
- 503-883
- Landline Number
- Mcminnville, OR
- 503-893
- Landline Number
- Aumsville, OR
- 503-897
- Landline Number
- Mill City, OR
- 503-908
- Landline Number
- Clackamas, OR
- 503-923
- Landline Number
- Beaverton, OR
- 503-924
- Landline Number
- Beaverton, OR
- 503-941
- Landline Number
- Beaverton, OR
- 503-965
- Landline Number
- Cloverdale, OR
- 503-968
- Landline Number
- Beaverton, OR
- 503-985
- Landline Number
- Beaverton, OR
- 503-987
- Landline Number
- Scappoose, OR
- 503-992
- Landline Number
- Forest Grove, OR
- 503-994
- Landline Number
- Warrenton, OR