Oregon Area Codes
Directory of all 4 telephone area codes assigned to Oregon.
Oregon phone numbers are served by 4 area codes operating in the Pacific / Mountain timezone.Because an overlay is active, 10-digit dialing is mandatory across much of the state. No area codes in Oregon are currently flagged as high-risk scams.
Most populated prefix: area code 503 (Oregon)
All Area Codes in Oregon
Area Code 458
Eugene, Gresham, Bend, Medford, Corvallis, Springfield, Albany, Grants Pass, Redmond, Oregon City
Area Code 503
Portland, Salem, Gresham, Hillsboro, Beaverton, Tigard, Lake Oswego, Keizer, Mcminnville, Woodburn
Area Code 541
Eugene, Gresham, Bend, Medford, Corvallis, Springfield, Albany, Grants Pass, Redmond, Oregon City
Area Code 971
Portland, Salem, Gresham, Hillsboro, Beaverton, Tigard, Lake Oswego, Keizer, Mcminnville, Woodburn
Major Cities Served by Oregon Area Codes
The most populous urban centers and census places covered by Oregon's area codes, ranked by population.
Oregon Area Code FAQs
Quick answers to common questions about Oregon telephone area codes.
How many area codes does Oregon have?
Oregon has 4 area codes: 458, 503, 541, 971.
What timezone do Oregon area codes use?
Oregon area codes operate in the Pacific / Mountain timezone.
What is the most populated area code in Oregon?
Area code 503 is the most populous prefix in Oregon based on covered city population.
Which Oregon area codes share an overlay?
458 and 541, 503 and 971. Overlay codes serve the same area, which is why 10-digit dialing is required.
Are there scam area codes in Oregon?
Oregon has no area codes currently flagged as high-risk scams.
About Oregon Area Codes & Phone Dialing Rules
When placing calls within Oregon, ten-digit dialing (area code + 7-digit telephone number) is required in overlay regions where multiple area codes serve the same geographic boundaries.