Tualatin, Oregon
Pacific Time Zone (UTC-8) · OR · —
About Area Codes in Tualatin, Oregon
Tualatin, Oregon is served by 2 area codes: 503, 971. When multiple area codes serve the same geographic area, it typically indicates overlay codes have been added to accommodate growing demand for phone numbers. All local calls within Tualatin require 10-digit dialing. The city is in the Pacific time zone (UTC-8).
Other cities in area code 503
Frequently Asked Questions
What area code is Tualatin, Oregon?
Tualatin, Oregon uses area codes 503 and 971.
What time zone is Tualatin in?
Tualatin is in the Pacific time zone (UTC-8).
Do I need to dial 10 digits when calling Tualatin?
Yes, all local calls in Tualatin require 10-digit dialing because the area is served by multiple overlay area codes.
When was area code 503 created?
Area code 503 is one of the original 86 area codes established in 1947 as part of the North American Numbering Plan (NANP).
What cities share area code 503 with Tualatin?
Other cities sharing area code 503 with Tualatin include Beaverton, Gresham, Hillsboro, Lake Oswego, Milwaukie, among others.
Tualatin, OR · Pacific Time Zone