Cities in area code 503
Area code 503 serves 63 localities in Oregon, led by Portland, Beaverton, Salem. The table lists every rate center — the billing locality each prefix is anchored to — with its share of the code's 784 active prefixes.
By numbering footprint the leading localities are Portland, Beaverton, Salem, Clackamas, Stafford-sandy, Gresham, McMinnville and Sherwood, and 54 smaller communities down to single-prefix localities. Prefix counts track lines in service, so the ranking is a reasonable proxy for where the code's subscribers actually are.
Metropolitan coverage: 35 rate centers belong to FCC top-100 metro areas.
Overlap note: 55 localities are shared with other area codes, so a neighbor's number may differ in its first three digits.
Clock-wise the coverage is Pacific.
A caller's real location can differ: numbers port between carriers and follow their owners when they move. Use the prefix tables to see where a specific number block was issued.
| Locality (rate center) | Active prefixes | Metro area | All codes serving it |
|---|---|---|---|
| Portland | 347 | Portland-Vancouver-Hillsboro, OR-WA | 503, 971 |
| Beaverton | 107 | Portland-Vancouver-Hillsboro, OR-WA | 503, 971 |
| Salem | 74 | — | 503, 971 |
| Clackamas | 49 | Portland-Vancouver-Hillsboro, OR-WA | 503, 971 |
| Stafford-sandy | 28 | Portland-Vancouver-Hillsboro, OR-WA | 503, 971 |
| Gresham | 21 | Portland-Vancouver-Hillsboro, OR-WA | 503, 971 |
| McMinnville | 13 | Portland-Vancouver-Hillsboro, OR-WA | 503, 971 |
| Sherwood | 8 | Portland-Vancouver-Hillsboro, OR-WA | 503, 971 |
| Dallas | 8 | — | 503, 971 |
| Woodburn | 8 | — | 503, 971 |
| Astoria | 7 | — | 503, 971 |
| Tillamook | 7 | — | 503, 971 |
| Newberg | 7 | Portland-Vancouver-Hillsboro, OR-WA | 503, 971 |
| Saint Helens | 6 | Portland-Vancouver-Hillsboro, OR-WA | 503, 971 |
| North Plains | 6 | Portland-Vancouver-Hillsboro, OR-WA | 503, 971 |
| Seaside | 5 | — | 503, 971 |
| Canby Needy | 4 | Portland-Vancouver-Hillsboro, OR-WA | 503, 971 |
| Estacada | 4 | Portland-Vancouver-Hillsboro, OR-WA | 503, 971 |
| Stayton | 4 | — | 503, 971 |
| Aumsville Turner | 3 | — | 503, 971 |
| Pacific City | 3 | — | 503, 971 |
| Hood Land | 3 | Portland-Vancouver-Hillsboro, OR-WA | 503, 971 |
| Molalla | 3 | Portland-Vancouver-Hillsboro, OR-WA | 503 |
| Bay City | 2 | — | 503, 971 |
| Clatskanie | 2 | Portland-Vancouver-Hillsboro, OR-WA | 503, 971 |
| Knappa | 2 | — | 503, 971 |
| Rainier | 2 | Portland-Vancouver-Hillsboro, OR-WA | 503, 971 |
| Beaver | 2 | — | 503, 971 |
| Westport | 2 | — | 503, 971 |
| Grand Ronde | 2 | Portland-Vancouver-Hillsboro, OR-WA | 503, 971 |
| Scappoose | 2 | Portland-Vancouver-Hillsboro, OR-WA | 503, 971 |
| Corbett | 2 | Portland-Vancouver-Hillsboro, OR-WA | 503 |
| Redland | 2 | Portland-Vancouver-Hillsboro, OR-WA | 503 |
| Beaver Creek | 2 | Portland-Vancouver-Hillsboro, OR-WA | 503, 971 |
| Aurora | 2 | Portland-Vancouver-Hillsboro, OR-WA | 503, 971 |
| Charbonneau | 2 | Portland-Vancouver-Hillsboro, OR-WA | 503, 971 |
| Dayton | 2 | Portland-Vancouver-Hillsboro, OR-WA | 503, 971 |
| Gervais | 2 | — | 503 |
| Mount Angel | 2 | — | 503 |
| Lyons | 2 | — | 503 |
| Warrenton | 2 | — | 503, 971 |
| Silverton | 2 | — | 503, 971 |
| Government Camp | 1 | Portland-Vancouver-Hillsboro, OR-WA | 503, 971 |
| Garibaldi | 1 | — | 503, 971 |
| Rockaway | 1 | — | 503, 971 |
| Nehalem | 1 | — | 503, 971 |
| Cloverdale | 1 | — | 503, 971 |
| Scio | 1 | — | 503 |
| Vernonia | 1 | Portland-Vancouver-Hillsboro, OR-WA | 503, 971 |
| Cannon Beach | 1 | — | 503, 971 |
| Saint Paul | 1 | — | 503, 971 |
| Monitor | 1 | Portland-Vancouver-Hillsboro, OR-WA | 503, 971 |
| Yamhill | 1 | Portland-Vancouver-Hillsboro, OR-WA | 503, 971 |
| Jewell | 1 | Portland-Vancouver-Hillsboro, OR-WA | 503, 971 |
| Falls City | 1 | — | 503, 971 |
| Colton | 1 | Portland-Vancouver-Hillsboro, OR-WA | 503 |
| Amity | 1 | Portland-Vancouver-Hillsboro, OR-WA | 503, 971 |
| Sheridan | 1 | Portland-Vancouver-Hillsboro, OR-WA | 503, 971 |
| Carlton | 1 | Portland-Vancouver-Hillsboro, OR-WA | 503, 971 |
| Detroit | 1 | — | 503, 971 |
| Grand Island | 1 | Portland-Vancouver-Hillsboro, OR-WA | 503, 971 |
| Willamina | 1 | Portland-Vancouver-Hillsboro, OR-WA | 503, 971 |
| Mill City | 1 | — | 503, 971 |
FAQ
What is the biggest city in area code 503?
Portland holds the most active prefixes (347), making it the code's largest numbering locality.
How many places does 503 cover?
63 rate centers in Oregon hold active 503 prefixes, from Portland down to communities with a single prefix.
Does a 503 number guarantee the caller lives in one of these places?
No — the tables show where number blocks were issued. Porting and VoIP let people keep or acquire numbers anywhere.