Area Code 503: Portland, Oregon
503 is a telephone area code serving Oregon, including Portland, Salem. It is part of the North American Numbering Plan and is dialed with the country code +1.
Numbers beginning with 503 are located in Oregon, United States (NANP region: Northwest). The code covers Portland, Salem.
How to Dial Area Code 503
| Calling from | What to dial |
|---|---|
| Anywhere in the US or Canada | 1 503 XXX-XXXX (10-digit dialing: 503 + 7-digit number) |
| Local call inside the same area code | 7-digit number in most areas; 10 digits where an overlay code is active |
| From the UK or Europe | 00 1 503 XXX XXXX |
| From Australia | 0011 1 503 XXX XXXX |
| From a mobile phone anywhere | +1 503 XXX XXXX |
Whatever country you are calling from, the + symbol replaces the exit code. Save the contact as +1 503 XXXXXXX and it will dial correctly from any phone in the world.
Time Zone for Area Code 503
Calls to a 503 number ring in the America/Los_Angeles time zone, standard offset UTC-08:00. Daylight saving time applies here, so the offset moves forward one hour from March to November.
Note: Malheur County, on the Idaho border, uses Mountain time, one hour ahead.
Cities and Communities Served by 503
The following places fall inside the 503 calling area:
Other Area Codes in Oregon
These codes also serve Oregon. Area codes are assigned by the North American Numbering Plan Administration (NANPA).
See all 3 area codes in Oregon →
Frequently Asked Questions
Where is area code 503?
Area code 503 is in Oregon, United States. It covers Portland, Salem.
What time zone is area code 503 in?
Area code 503 rings in the America/Los_Angeles time zone (UTC-08:00 standard).
Do I need to dial 1 before area code 503?
Yes, for a long-distance call inside the US and Canada you dial 1 first, then 503, then the seven-digit number. The 1 is the North American long-distance trunk prefix — it is not the country code. From outside North America you dial your exit code then 1 then 503.
Is area code 503 toll-free?
No. 503 is a standard geographic area code, so normal long-distance rates apply unless your plan includes them. Toll-free NANP codes are 800, 833, 844, 855, 866, 877 and 888.