Question 1

Where is area code 503?

Accepted Answer

Area code 503 covers Portland and nearby cities including Salem, Gresham, Hillsboro in Oregon, in the Pacific Time.

Question 2

What cities use area code 503?

Accepted Answer

Area code 503 serves Portland, Salem, Gresham, Hillsboro, Beaverton, and 10 other communities in Oregon.

Question 3

What time zone is area code 503 in?

Accepted Answer

Area code 503 is in the Pacific Time (America/Los_Angeles).

Question 4

How do you dial a 503 number?

Accepted Answer

Dial all 10 digits: 503 followed by the 7-digit local number. From outside the United States, dial +1 503 and the local number.

Question 5

Is a call from area code 503 a scam?

Accepted Answer

A 503 number is geographically tied to Oregon, but caller ID can be spoofed, so the displayed area code does not prove where a caller really is. If you did not expect the call, do not share personal information and consider looking the number up.

Question 6

Is 503 a country code?

Accepted Answer

No. 503 is a US area code (a domestic 3-digit code), not a country code. The country (calling) code for the United States is +1. So a full 503 number written for international dialing looks like +1 503 followed by the 7-digit local number.

Area Code 503

Cities in area code 503

Area codes by city

Other Oregon area codes

Nearby area codes