503 area code is a telephone area code in the North American Numbering Plan (NANP) for Portland and the surrounding area in the northwestern region of the state of Oregon, United States. The area code was one of the original area codes created in 1947.
| Area Code | 503 |
|---|---|
| Major City | Portland |
| Service Date | 01/01/1947 |
| Time Zone | Pacific |
| Overlay Complex | 503/971 |
| Location | Oregon (OR) |
| Country | United States |
Some of the cities served by the 503 area code include Portland, Salem, Gresham, Hillsboro, Beaverton, Aloha, Tigard, Lake Oswego, Keizer and more.
| Area code | City/Town | County |
|---|---|---|
| 503 | Amity | Yamhill |
| 503 | Arch Cape | Clatsop |
| 503 | Astoria | Clatsop |
| 503 | Aumsville | Marion |
| 503 | Aurora | Marion |
| 503 | Banks | Washington |
| 503 | Bay City | Tillamook |
| 503 | Beaver | Tillamook |
| 503 | Beavercreek | Clackamas |
| 503 | Beaverton | Washington |
| 503 | Boring | Clackamas |
| 503 | Bridal Veil | Multnomah |
| 503 | Brightwood | Clackamas |
| 503 | Buxton | Washington |
| 503 | Canby | Clackamas |
| 503 | Cannon Beach | Clatsop |
| 503 | Carlton | Yamhill |
| 503 | Clackamas | Clackamas |
| 503 | Clatskanie | Columbia |
| 503 | Cloverdale | Tillamook |
| 503 | Colton | Clackamas |
| 503 | Columbia City | Columbia |
| 503 | Corbett | Multnomah |
| 503 | Cornelius | Washington |
| 503 | Dallas | Polk |
| 503 | Damascus | Clackamas |
| 503 | Dayton | Yamhill |
| 503 | Deer Island | Columbia |
| 503 | Detroit | Marion |
| 503 | Donald | Marion |
| 503 | Dundee | Yamhill |
| 503 | Eagle Creek | Clackamas |
| 503 | Estacada | Clackamas |
| 503 | Fairview | Multnomah |
| 503 | Falls City | Polk |
| 503 | Forest Grove | Washington |
| 503 | Gales Creek | Washington |
| 503 | Garibaldi | Tillamook |
| 503 | Gaston | Washington |
| 503 | Gates | Marion |
| 503 | Gervais | Marion |
| 503 | Gladstone | Clackamas |
| 503 | Government Camp | Clackamas |
| 503 | Grand Ronde | Polk |
| 503 | Gresham | Multnomah |
| 503 | Hammond | Clatsop |
| 503 | Happy Valley | Clackamas |
| 503 | Hebo | Tillamook |
| 503 | Hillsboro | Washington |
| 503 | Hubbard | Marion |
| 503 | Idanha | Marion |
| 503 | Independence | Polk |
| 503 | Keizer | Marion |
| 503 | Lafayette | Yamhill |
| 503 | Lake Oswego | Clackamas |
| 503 | Lyons | Linn |
| 503 | Manning | Washington |
| 503 | Manzanita | Tillamook |
| 503 | Marylhurst | Clackamas |
| 503 | McMinnville | Yamhill |
| 503 | Mehama | Marion |
| 503 | Mill City | Linn |
| 503 | Molalla | Clackamas |
| 503 | Monmouth | Polk |
| 503 | Mount Angel | Marion |
| 503 | Mulino | Clackamas |
| 503 | Nehalem | Tillamook |
| 503 | Neskowin | Tillamook |
| 503 | Netarts | Tillamook |
| 503 | Newberg | Yamhill |
| 503 | North Plains | Washington |
| 503 | Oceanside | Tillamook |
| 503 | Oregon City | Clackamas |
| 503 | Pacific City | Tillamook |
| 503 | Portland | Multnomah |
| 503 | Rainier | Columbia |
| 503 | Rhododendron | Clackamas |
| 503 | Rickreall | Polk |
| 503 | Rockaway Beach | Tillamook |
| 503 | Salem | Polk |
| 503 | Sandy | Clackamas |
| 503 | Scappoose | Columbia |
| 503 | Scio | Linn |
| 503 | Scotts Mills | Marion |
| 503 | Seaside | Clatsop |
| 503 | Sheridan | Yamhill |
| 503 | Sherwood | Washington |
| 503 | Silverton | Marion |
| 503 | St Benedict | Marion |
| 503 | St Helens | Columbia |
| 503 | St Paul | Marion |
| 503 | Stayton | Marion |
| 503 | Sublimity | Marion |
| 503 | Tigard | Washington |
| 503 | Tillamook | Tillamook |
| 503 | Timber | Washington |
| 503 | Tolovana Park | Clatsop |
| 503 | Troutdale | Multnomah |
| 503 | Tualatin | Washington |
| 503 | Turner | Marion |
| 503 | Vernonia | Columbia |
| 503 | Warren | Columbia |
| 503 | Warrenton | Clatsop |
| 503 | Welches | Clackamas |
| 503 | West Linn | Clackamas |
| 503 | Wheeler | Tillamook |
| 503 | Willamina | Yamhill |
| 503 | Wilsonville | Clackamas |
| 503 | Woodburn | Marion |
| 503 | Yamhill | Yamhill |