Oregon area codes
- Area codes in
- 4
- State
- Oregon
- Local time
- Pacific Time
Oregon is served by 4 area codes, from 503 in 1947 to 458 in 2010. 2 of them are overlays, added as older codes filled up.
Updated 28 July 2026
All area codes in Oregon
Oregon is served by 4 area codes. 503 is the oldest, in service since 1947; 458 is the newest, activated in 2010.
Oregon area code map
Oregon sits in the Pacific Time zone, with its 4 codes spread across the state.
Oregon area codes by city
These are the Oregon cities served by more than one area code, or whose code also covers a wider area.
Eugene
Portland
Overlay codes and dialling rules in Oregon
2 of Oregon’s 4 area codes are overlays — a second code laid over an existing footprint instead of splitting it. Wherever an overlay operates, local calls require the full ten-digit number.
Spam call reports in Oregon
These Oregon area codes drew the most reports to the FTC in the 30 days to 28 July 2026. The figures describe numbers displaying each code, which caller ID spoofing can fake.
Most reported Oregon area codes · last 30 days
| Code | Primary city | Reports |
|---|---|---|
| 541 | Eugene | 430 |
| 503 | Portland | 392 |
| 971 | Portland | 322 |
| 458 | Eugene | 109 |
A number listed here may itself be a spoofing victim rather than the caller. These are unverified consumer reports.
Source: FTC Do Not Call Reported Calls Data, unverified consumer reports, retrieved 28 July 2026. Request a correction.
Calls from your Oregon numbers not landing?
Questions
How many area codes does Oregon have?
Oregon has 4 area codes: 458, 503, 541, 971.
What is the main area code for Portland?
The main area code for Portland is 503.
Which Oregon area code is oldest?
Area code 503 is the oldest in Oregon, in service since 1947.
Do I need to dial ten digits in Oregon?
Yes, anywhere an overlay operates. 2 of Oregon’s codes are overlays, and ten-digit dialling is required for local calls in those areas.
Which Oregon area code gets the most spam calls?
Area code 541 (Eugene) drew the most reports of any Oregon code in the 30 days to 28 July 2026, with 430 numbers reported.
Neighbouring states