Caller ID for
Area code 503
Area code 503 Portland, Oregon
Area code 503 is one of the original 1947 area codes, in Oregon, with numbers assigned in Portland, Beaverton, Salem and 49 more places. It’s 9:12 PM there now.
- State
- Oregon4 area codes in Oregon
- Time zone
- Pacific9:12 PM there now
- Exchanges
- 78452 places
- Overlay
- 971Same area, 10-digit dialing
- No sign-up
- We never contact the number
- Spam risk included
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Where area code 503 is
Numbers in 503 are assigned to 52 places in 11 counties: Washington County, Clackamas County, Multnomah County, Marion County, Polk County, Yamhill County, plus 5 more.
Portland has the most, 44% of the exchanges; the rest are spread across 51 other places.
- Portland347
- Beaverton107
- Salem73
- Stafford28
- Gresham22
- McMinnville13
- Sherwood8
- Dallas8
- Woodburn8
- Astoria7
- Tillamook7
- Newberg7
- St. Helens6
- North Plains6
- Seaside5
- Estacada4
- Beaver4
- Stayton4
- Pacific City3
- Hood River3
- Molalla3
- Bay City2
- Clatskanie2
- Knappa2
Phone companies in 503
784 blocks of numbers in 503 are held by 36 phone companies. The most belong to Lumen (CenturyLink) (240), Ziply Fiber Northwest (109) and AT&T Mobility (71).
A large share, about 42%, belongs to competitive and internet phone carriers; wireless networks hold 24% and local phone and cable companies 34%.
A block’s holder is the company it was first assigned to; numbers can move to other carriers since.
History and overlays
503 has been in service since 1947, when the first North American area codes were set up.
971 (since 2000) shares the same area, so a new number there can get any of these codes and local calls are dialed with all 10 digits.
2 new exchanges were assigned since 2021, the latest in September 2026.
Calling 503
It’s 9:12 PM Pacific time in 503 right now.
From elsewhere in the U.S., dial 1, 503 and the 7-digit number; inside the area, all 10 digits too.
Nearby area codes
Oregon has 4 area codes: 458, 503, 541 and 971.
- 564 · Bremerton, WA · about 106 mi
- 458 · Eugene, OR · about 108 mi
- 541 · Eugene, OR · about 109 mi
- 360 · Vancouver, WA · about 110 mi
- 253 · Tacoma, WA · about 129 mi
- 206 · Seattle, WA · about 152 mi
From the North American Numbering Plan Administrator’s area code and exchange records (10/22/2026) and U.S. Census place and county names. Places and companies are where number blocks were assigned, not where anyone lives or which carrier a number uses today.
Map of the 503 area code
Map of the 503 area code around Portland, Beaverton and Salem, Oregon.
Cities on the map
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Questions about 503
Where is area code 503?
In Oregon, covering Portland, Beaverton and Salem and other places across 11 counties.
What time zone is 503 in?
Pacific time. It was 9:12 PM there when this page loaded.
Is 503 an overlay?
Yes. 971 serves the same area, so dial all 10 digits for local calls.
Which phone companies have 503 numbers?
36 companies hold blocks; the most belong to Lumen (CenturyLink), Ziply Fiber Northwest and AT&T Mobility. About 24% of blocks are wireless.
Is 503 running out of numbers?
Not on record. 2 new exchanges have been assigned since 2021.