Oregon area codes
- Area codes in
- 4
- State
- Oregon
- 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 8 October 2026
Now in Oregon
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Pacific Time
Typical business hours, 9 to 5 Monday to Friday.
Typical business hours, 9 to 5 Monday to Friday, shown as the blue arc. A guide to when a real Oregon office is likely to answer. It says nothing about who called you.
01
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.
02
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.
03
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.
04
Spam call reports in Oregon
These Oregon area codes drew the most reports to the FTC in the 30 days to 8 October 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 (30 days) |
|---|---|---|---|
| 1 | 971 | Portland | 505 |
| 2 | 503 | Portland | 408 |
| 3 | 541 | Eugene | 365 |
| 4 | 458 | Eugene | 157 |
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 8 October 2026. Request a correction. Month-over-month figures appear once two complete 30-day windows exist.
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05
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, wherever an overlay operates. 2 of Oregon’s area codes are overlays, and local calls within an overlay area require the full ten-digit number.
Which Oregon area code gets the most spam calls?
Area code 971 (Portland) drew the most reports of any Oregon code in the 30 days to 8 October 2026, with 505 numbers reported.
Neighbouring states
Largest cities