503 area code: location, overlays and numbers
Area code 503 serves Portland, Oregon as a US telephone area code and has done so since 1947. It shares an overlay with 971.
- Location
- Portland, Oregon
- Service since
- 1947
- Local time zone
- Pacific time
- Overlay
- 971
- Calls within the area
- Full 10-digit dialling
- Rate centre locations
- 63
- Projected exhaustion
- 2041
- The country code
- +1 (United States)
Information comes from NANPA public reports: the area code report and rate-centre report, with a file date of 11/01/2026. The exhaust year appears in NANPA projections 2026-1 (April 2026). This site is not an official NANPA website.
Pick up a 503 number
There are two ways to get a 503 number. With its plan, a provider assigns a new number selected at sign-up from numbers it holds in the code. Sellers post numbers they already hold, often with a pattern, at a one-time price. After that, you transfer the number to a provider.
Providers ranked by first-year cost
| Provider | Cheapest plan | First year | Link |
|---|---|---|---|
 Free app | Basic (Just for me), free | $0 | Open Google Voice |
 Free app | Free plan, free | $0 | Open TextNow |
 Developer API | Pay-as-you-go local number, $1.15 a month | $13.80 | Open Twilio |
 Second-number app | Standard, $3.99 a month billed yearly | $47.99 | Open Burner |
 Toll-free specialist | Solo, $6.99 a month billed yearly | $84 | Open UniTel Voice |
 Second-number app | Deluxe (local number), $6.99 a month billed yearly | $102.88 | Open GoDaddy Conversations (formerly Smartline) |
Sellers offering listed local numbers
| Seller | What it sells | Listed price | Monthly fee | Link |
|---|---|---|---|---|
 Marketplace | Local numbers | From $9 one-time | None stated | Search at Exclusive Digits |
 Marketplace | Local and toll-free | From $9.95 one-time | $2.99 a month | Search at NumberBarn |
 Number broker | Local and toll-free | From $99 one-time | None stated | Search at RingBoost |
 Number broker | Local and toll-free | From $100 one-time | None stated | Search at PhoneNumberExpert |
| 212areacode.comNumber broker | Local numbers | From $150 one-time | None stated | Search at 212areacode.com |
Some sellers and providers may pay us a referral fee. The order always remains based on first-year cost. How we earn
Places in the 503 area code
For 503, NANPA lists 63 rate centres. These are local calling areas where numbers are assigned:
Westport, Warrenton, Vernonia, Tillamook, Stafford-sandy, Stayton, Saint Paul, Saint Helens, Silverton, Sherwood, Sheridan, Seaside, Scio, Scappoose, Salem, Rockaway, Redland, Rainier, Portland, Pacific City, North Plains, Newberg, Nehalem, Mount Angel, Monitor, Molalla, Mill City, Mcminnville, Lyons, Knappa, Jewell, Hood Land, Gresham, Grand Ronde, Grand Island, Government Camp, Gervais, Garibaldi, Falls City, Estacada, Detroit, Dayton, Dallas, Corbett, Colton, Cloverdale, Clatskanie, Clackamas, Charbonneau, Carlton, Cannon Beach, Canby Needy, Beaverton, Beaver Creek, Beaver, Bay City, Aurora, Aumsville Turner, Astoria, Amity and 3 more.
Other related area codes
The area and numbers pool are the same: 971. Any of these codes may supply a new number in the area, so ask for the one you want.
Oregon has other area codes: 541 and 458.
Guides for cities: Portland area codes.
503 area code questions
Where is the 503 area code?
Area code 503 covers Portland, Oregon, and the surrounding Portland-Vancouver-Hillsboro, OR-WA area.
What country code does a 503 number use?
+1. The North American Numbering Plan includes 503. From abroad, dial +1 503 followed by the 7-digit number.
What time is it in the 503 area code?
The 503 area code uses Pacific time.
Who places calls using a 503 number?
Homes, mobiles, local businesses and callers who fake a local number all use numbers in this code. A 503 number on your screen shows where it was assigned, rather than the identity of the caller.