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Area Code 503

Browse available prefixes, locations, carriers, and quick path links into deeper phone number pages for this area code. Area-code research is one of the most important parts of reverse phone lookup because it gives visitors a geographic starting point before they inspect a full number.

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200Prefixes Listed
OregonLocation
United StatesCountry
503Area Code
Area Code Overview
Area Code503
Primary LocationOregon
CountryUnited States
Prefix Coverage200 listed prefixes
Prefixes in 503
503-200
Portland
New Cingular Wireless Pcs Llc
Wireless
503-201
Hillsboro
Cellco Partnership Dba Verizon Wireless - Or
Wireless
503-202
Portland
Usa Mobility Wireless Inc.
Wireless
503-203
Portland
Qwest Corporation
Landline
503-204
Portland
Usa Mobility Wireless Inc.
Wireless
503-205
Portland
Mcimetro Access Transmission Services Llc
Landline
503-206
Beaverton
360networks (usa) Inc. - Or
Landline
503-207
Portland
Mcimetro Access Transmission Services Llc
Landline
503-208
Salem
Lcw Wireless License Llc
Wireless
503-209
Portland
Sprint Spectrum L.p.
Wireless
503-210
Portland
Electric Lightwave Llc Dba Integra Telecom - Or
Landline
503-212
Portland
Electric Lightwave Llc Dba Integra Telecom - Or
Landline
503-213
Portland
Electric Lightwave Llc Dba Integra Telecom - Or
Landline
503-214
Portland
Electric Lightwave Llc Dba Integra Telecom - Or
Landline
503-215
Portland
Qwest Corporation
Landline
503-216
Portland
Qwest Corporation
Landline
503-217
Portland
Electric Lightwave Llc Dba Integra Telecom - Or
Landline
503-218
Portland
Electric Lightwave Llc Dba Integra Telecom - Or
Landline
503-219
Portland
Qwest Corporation
Landline
503-220
Portland
Qwest Corporation
Landline
503-221
Portland
Qwest Corporation
Landline
503-222
Portland
Qwest Corporation
Landline
503-223
Portland
Qwest Corporation
Landline
503-224
Portland
Qwest Corporation
Landline
503-225
Portland
Qwest Corporation
Landline
503-226
Portland
Qwest Corporation
Landline
503-227
Portland
Qwest Corporation
Landline
503-228
Portland
Qwest Corporation
Landline
503-229
Portland
Qwest Corporation
Landline
503-230
Portland
Qwest Corporation
Landline
503-231
Portland
Qwest Corporation
Landline
503-232
Portland
Qwest Corporation
Landline
503-233
Portland
Qwest Corporation
Landline
503-234
Portland
Qwest Corporation
Landline
503-235
Portland
Qwest Corporation
Landline
503-236
Portland
Qwest Corporation
Landline
503-237
Portland
Usa Mobility Wireless Inc.
Wireless
503-238
Portland
Qwest Corporation
Landline
503-239
Portland
Qwest Corporation
Landline
503-240
Portland
Qwest Corporation
Landline
503-241
Portland
Qwest Corporation
Landline
503-242
Portland
Qwest Corporation
Landline
503-243
Portland
Qwest Corporation
Landline
503-244
Portland
Qwest Corporation
Landline
503-245
Portland
Qwest Corporation
Landline
503-246
Portland
Qwest Corporation
Landline
503-247
Portland
Qwest Corporation
Landline
503-248
Portland
Qwest Corporation
Landline
503-249
Portland
Qwest Corporation
Landline
503-250
Portland
Qwest Corporation
Landline
503-251
Portland
Qwest Corporation
Landline
503-252
Portland
Qwest Corporation
Landline
503-253
Portland
Qwest Corporation
Landline
503-254
Portland
Qwest Corporation
Landline
503-255
Portland
Qwest Corporation
Landline
503-256
Portland
Qwest Corporation
Landline
503-257
Portland
Qwest Corporation
Landline
503-258
Portland
Qwest Corporation
Landline
503-259
Beaverton
Frontier Communications Northwest Inc. - Or
Landline
503-260
Hillsboro
Cellco Partnership Dba Verizon Wireless - Or
Wireless
503-261
Portland
Qwest Corporation
Landline
503-262
Portland
Qwest Corporation
Landline
503-263
Canby
Canby Telephone Association
Landline
503-264
Portland
Mcimetro Access Transmission Services Llc
Landline
503-265
Portland
Teleport Communications America Llc - Or
Landline
503-266
Canby
Canby Telephone Association
Landline
503-267
Portland
T-mobile Usa Inc.
Wireless
503-268
Portland
Teleport Communications America Llc - Or
Landline
503-269
Portland
Sprint Spectrum L.p.
Wireless
503-270
Portland
Teleport Communications America Llc - Or
Landline
503-271
Portland
Usa Mobility Wireless Inc.
Wireless
503-272
Government Camp
Centurytel Of Oregon Inc. Dba Centurylink
Landline
503-273
Portland
Qwest Corporation
Landline
503-274
Portland
Qwest Corporation
Landline
503-275
Portland
Qwest Corporation
Landline
503-276
Portland
Qwest Corporation
Landline
503-277
Beaverton
Frontier Communications Northwest Inc. - Or
Landline
503-278
Hillsboro
Cellco Partnership Dba Verizon Wireless - Or
Wireless
503-279
Portland
Qwest Corporation
Landline
503-280
Portland
Qwest Corporation
Landline
503-281
Portland
Qwest Corporation
Landline
503-282
Portland
Qwest Corporation
Landline
503-283
Portland
Qwest Corporation
Landline
503-284
Portland
Qwest Corporation
Landline
503-285
Portland
Qwest Corporation
Landline
503-286
Portland
Qwest Corporation
Landline
503-287
Portland
Qwest Corporation
Landline
503-288
Portland
Qwest Corporation
Landline
503-289
Portland
Qwest Corporation
Landline
503-290
Portland
Mcimetro Access Transmission Services Llc
Landline
503-291
Portland
Qwest Corporation
Landline
503-292
Portland
Qwest Corporation
Landline
503-293
Portland
Qwest Corporation
Landline
503-294
Portland
Qwest Corporation
Landline
503-295
Portland
Qwest Corporation
Landline
503-296
Portland
Qwest Corporation
Landline
503-297
Portland
Qwest Corporation
Landline
503-298
Hillsboro
Level 3 Communications Llc - Or
Landline
503-299
Portland
Qwest Corporation
Landline
503-300
Sheridan
Charter Fiberlink Or-ccvii Llc - Or
Landline
503-301
Portland
Usa Mobility Wireless Inc.
Wireless
503-302
Salem
Cellco Partnership Dba Verizon Wireless - Or
Wireless
503-303
Portland
Mcimetro Access Transmission Services Llc
Landline
503-304
Salem
Qwest Corporation
Landline
503-305
Vancouver
Mcimetro Access Transmission Services Llc
Landline
503-306
Portland
Qwest Corporation
Landline
503-307
Hillsboro
Cellco Partnership Dba Verizon Wireless - Or
Wireless
503-308
Hillsboro
Teleport Communications America Llc - Or
Landline
503-309
Portland
Sprint Spectrum L.p.
Wireless
503-310
Hillsboro
Cellco Partnership Dba Verizon Wireless - Or
Wireless
503-312
Hillsboro
Cellco Partnership Dba Verizon Wireless - Or
Wireless
503-313
Hillsboro
Cellco Partnership Dba Verizon Wireless - Or
Wireless
503-314
Hillsboro
Cellco Partnership Dba Verizon Wireless - Or
Wireless
503-315
Salem
Qwest Corporation
Landline
503-316
Salem
Qwest Corporation
Landline
503-317
Portland
T-mobile Usa Inc.
Wireless
503-318
Hillsboro
Cellco Partnership Dba Verizon Wireless - Or
Wireless
503-319
Hillsboro
Cellco Partnership Dba Verizon Wireless - Or
Wireless
503-320
Hillsboro
Cellco Partnership Dba Verizon Wireless - Or
Wireless
503-321
Portland
Qwest Corporation
Landline
503-322
Garibaldi
United Telephone-northwest-or Dba Centurylink - Or
Landline
503-323
Portland
Qwest Corporation
Landline
503-324
Banks
Frontier Communications Northwest Inc. - Or
Landline
503-325
Astoria
Qwest Corporation
Landline
503-326
Portland
Qwest Corporation
Landline
503-327
Portland
Teleport Communications America Llc - Or
Landline
503-328
Portland
Eschelon Telecomm Of Oregon Inc. - Or
Landline
503-329
Portland
New Cingular Wireless Pcs Llc
Wireless
503-330
Portland
Sprint Spectrum L.p.
Wireless
503-331
Portland
Qwest Corporation
Landline
503-332
Portland
Sprint Spectrum L.p.
Wireless
503-333
Portland
New Cingular Wireless Pcs Llc
Wireless
503-334
Portland
Pac - West Telecomm Inc. - Or
Landline
503-335
Portland
Qwest Corporation
Landline
503-336
Beaverton
Comcast Phone Of Oregon Llc - Or
Landline
503-337
Unknown City
Cascade Utilities Inc.
Landline
503-338
Astoria
Qwest Corporation
Landline
503-339
Portland
Global Crossing Local Servicesinc.-or
Landline
503-340
Portland
Qwest Corporation
Landline
503-341
Hillsboro
Cellco Partnership Dba Verizon Wireless - Or
Wireless
503-342
Portland
Global Crossing Local Servicesinc.-or
Landline
503-343
Portland
Global Crossing Local Servicesinc.-or
Landline
503-344
Portland
Global Crossing Local Servicesinc.-or
Landline
503-345
Portland
Global Crossing Local Servicesinc.-or
Landline
503-346
Portland
Qwest Corporation
Landline
503-347
Hillsboro
Cellco Partnership Dba Verizon Wireless - Or
Wireless
503-348
Hillsboro
Cellco Partnership Dba Verizon Wireless - Or
Wireless
503-349
Hillsboro
Cellco Partnership Dba Verizon Wireless - Or
Wireless
503-350
Beaverton
Frontier Communications Northwest Inc. - Or
Landline
503-351
Hillsboro
Cellco Partnership Dba Verizon Wireless - Or
Wireless
503-352
Portland
Integra Telecom Of Oregon Inc. - Or
Landline
503-353
Portland
Qwest Corporation
Landline
503-354
Portland
Level 3 Communications Llc - Or
Landline
503-355
Rockaway Beach
United Telephone-northwest-or Dba Centurylink - Or
Landline
503-356
Beaverton
Frontier Communications Northwest Inc. - Or
Landline
503-357
Forest Grove
Frontier Communications Northwest Inc. - Or
Landline
503-358
Portland
Sprint Spectrum L.p.
Wireless
503-359
Forest Grove
Frontier Communications Northwest Inc. - Or
Landline
503-360
Portland
Neutral Tandem-oregon Llc - Or
Landline
503-361
Salem
Qwest Corporation
Landline
503-362
Salem
Qwest Corporation
Landline
503-363
Salem
Qwest Corporation
Landline
503-364
Salem
Qwest Corporation
Landline
503-365
Salem
Qwest Corporation
Landline
503-366
Saint Helens
Qwest Corporation
Landline
503-367
Portland
New Cingular Wireless Pcs Llc
Wireless
503-368
Nehalem
Nehalem Telecomms Inc. Dba Nehalem Tel & Tel
Landline
503-369
Portland
New Cingular Wireless Pcs Llc
Wireless
503-370
Salem
Qwest Corporation
Landline
503-371
Salem
Qwest Corporation
Landline
503-372
Portland
Teleport Communications America Llc - Or
Landline
503-373
Salem
Qwest Corporation
Landline
503-374
Portland
Level 3 Communications Llc - Or
Landline
503-375
Salem
Qwest Corporation
Landline
503-376
Portland
Global Crossing Local Servicesinc.-or
Landline
503-377
Bay City
United Telephone-northwest-or Dba Centurylink - Or
Landline
503-378
Salem
Qwest Corporation
Landline
503-379
Portland
Level 3 Communications Llc - Or
Landline
503-380
Portland
T-mobile Usa Inc.
Wireless
503-381
Portland
Sprint Spectrum L.p.
Wireless
503-382
Portland
Teleport Communications America Llc - Or
Landline
503-383
Portland
Teleport Communications America Llc - Or
Landline
503-384
Portland
Qwest Corporation
Landline
503-385
Salem
Teleport Communications America Llc - Or
Landline
503-386
Portland
360networks (usa) Inc. - Or
Landline
503-387
Portland
Teleport Communications America Llc - Or
Landline
503-388
Salem
Lcw Wireless License Llc
Wireless
503-389
Portland
Xo Oregon Inc.
Landline
503-390
Salem
Qwest Corporation
Landline
503-391
Salem
Qwest Corporation
Landline
503-392
Cloverdale
United Telephone-northwest-or Dba Centurylink - Or
Landline
503-393
Salem
Qwest Corporation
Landline
503-394
Scio
Scio Mutual Telephone Association
Landline
503-395
Portland
Teleport Communications America Llc - Or
Landline
503-396
Hillsboro
Cellco Partnership Dba Verizon Wireless - Or
Wireless
503-397
Saint Helens
Qwest Corporation
Landline
503-398
Cloverdale
United Telephone-northwest-or Dba Centurylink - Or
Landline
503-399
Salem
Qwest Corporation
Landline
503-400
Portland
Radix Networks Llc - Or
Landline
503-401
Portland
Qwest Corporation
Landline

Top prefixes in this area code

503-200→503-201→503-202→503-203→503-204→503-205→503-206→503-207→
Why area code pages matter in reverse phone lookup

Area code pages help visitors understand the wider calling region connected to a number. While a full reverse phone lookup page focuses on one specific caller, an area code page shows the bigger picture by grouping prefixes, cities, and carrier patterns under the same first three digits. This makes it easier to spot whether a number appears local, regional, or part of a service area the visitor already recognizes.

For phone directory websites, area code pages also improve browsing. A user can start with a missed call, discover the number's first three digits, and then move into the related area code to see supporting location data and a list of active prefixes. That layered navigation creates a better research experience and gives visitors more confidence when they continue into a specific number page.