To faciltiate users, the United States of America is divided into regions known as Area Codes, corresponding to particular geographic telephone dialing areas.
An area code denotes the regional location of a phone number within the United States.
The Area Code table below shows an area codes each.
Area Code 503 listing, by city
@The cities listed with each area code are the major cities for that area code;
| City / State | Area code | Zip Code | County | Iso | |
|---|---|---|---|---|---|
| Aurora (Oregon) | 503 | 97002 | Marion | US-OR | |
| Beaver (Oregon) | 503 | 97108 | Tillamook | US-OR | |
| Beavercreek (Oregon) | 503 | 97004 | Clackamas | US-OR | |
| Beaverton (Oregon) | 503 | 97005 | Washington | US-OR | |
| Beaverton (Oregon) | 503 | 97008 | Washington | US-OR | |
| Beaverton (Oregon) | 503 | 97076 | Washington | US-OR | |
| Canby (Oregon) | 503 | 97013 | Clackamas | US-OR | |
| Cannon Beach (Oregon) | 503 | 97110 | Clatsop | US-OR | |
| Carlton (Oregon) | 503 | 97111 | Yamhill | US-OR | |
| Clackamas (Oregon) | 503 | 97015 | Clackamas | US-OR | |
| Colton (Oregon) | 503 | 97017 | Clackamas | US-OR | |
| Corbett (Oregon) | 503 | 97019 | Multnomah | US-OR | |
| Dallas (Oregon) | 503 | 97338 | Polk | US-OR | |
| Damascus (Oregon) | 503 | 97089 | Clackamas | US-OR | |
| Detroit (Oregon) | 503 | 97342 | Marion | US-OR | |
| Eagle Creek (Oregon) | 503 | 97022 | Clackamas | US-OR | |
| Estacada (Oregon) | 503 | 97023 | Clackamas | US-OR | |
| Forest Grove (Oregon) | 503 | 97116 | Washington | US-OR | |
| Garibaldi (Oregon) | 503 | 97118 | Tillamook | US-OR | |
| Gaston (Oregon) | 503 | 97119 | Washington | US-OR | |
| Gates (Oregon) | 503 | 97346 | Marion | US-OR | |
| Gervais (Oregon) | 503 | 97026 | Marion | US-OR | |
| Government Camp (Oregon) | 503 | 97028 | Clackamas | US-OR | |
| Grand Ronde (Oregon) | 503 | 97347 | Polk | US-OR | |
| Hammond (Oregon) | 503 | 97121 | Clatsop | US-OR | |
| Happy Valley (Oregon) | 503 | 97086 | Clackamas | US-OR | |
| Hebo (Oregon) | 503 | 97122 | Tillamook | US-OR | |
| Idanha (Oregon) | 503 | 97350 | Marion | US-OR | |
| Independence (Oregon) | 503 | 97351 | Polk | US-OR | |
| Lake Oswego (Oregon) | 503 | 97034 | Clackamas | US-OR | |
| Lake Oswego (Oregon) | 503 | 97035 | Clackamas | US-OR | |
| Lyons (Oregon) | 503 | 97358 | Linn | US-OR | |
| Manning (Oregon) | 503 | 97125 | Washington | US-OR | |
| Manzanita (Oregon) | 503 | 97130 | Tillamook | US-OR | |
| Molalla (Oregon) | 503 | 97038 | Clackamas | US-OR | |
| Monmouth (Oregon) | 503 | 97361 | Polk | US-OR | |
| Nehalem (Oregon) | 503 | 97131 | Tillamook | US-OR | |
| Neskowin (Oregon) | 503 | 97149 | Tillamook | US-OR | |
| Netarts (Oregon) | 503 | 97143 | Tillamook | US-OR | |
| Oceanside (Oregon) | 503 | 97134 | Tillamook | US-OR | |
| Pacific City (Oregon) | 503 | 97135 | Tillamook | US-OR | |
| Portland (Oregon) | 503 | 97207 | Multnomah | US-OR | |
| Portland (Oregon) | 503 | 97212 | Multnomah | US-OR | |
| Portland (Oregon) | 503 | 97216 | Multnomah | US-OR | |
| Portland (Oregon) | 503 | 97217 | Multnomah | US-OR | |
| Portland (Oregon) | 503 | 97232 | Multnomah | US-OR | |
| Portland (Oregon) | 503 | 97236 | Multnomah | US-OR | |
| Portland (Oregon) | 503 | 97238 | Multnomah | US-OR | |
| Portland (Oregon) | 503 | 97266 | Multnomah | US-OR | |
| Portland (Oregon) | 503 | 97210 | Multnomah | US-OR | |
| Portland (Oregon) | 503 | 97213 | Multnomah | US-OR | |
| Portland (Oregon) | 503 | 97227 | Washington | US-OR | |
| Portland (Oregon) | 503 | 97233 | Multnomah | US-OR | |
| Saint Paul (Oregon) | 503 | 97137 | Marion | US-OR | |
| Salem (Oregon) | 503 | 97302 | Marion | US-OR | |
| Scappoose (Oregon) | 503 | 97056 | Columbia | US-OR | |
| Scio (Oregon) | 503 | 97374 | Linn | US-OR | |
| Scotts Mills (Oregon) | 503 | 97375 | Marion | US-OR | |
| Seaside (Oregon) | 503 | 97138 | Clatsop | US-OR | |
| Sherwood (Oregon) | 503 | 97140 | Washington | US-OR | |
| Stayton (Oregon) | 503 | 97383 | Marion | US-OR | |
| Timber (Oregon) | 503 | 97144 | Washington | US-OR | |
| Tolovana Park (Oregon) | 503 | 97145 | Clatsop | US-OR | |
| Warrenton (Oregon) | 503 | 97146 | Clatsop | US-OR | |
| Wheeler (Oregon) | 503 | 97147 | Tillamook | US-OR |