Area codes in Seattle, Washington
Seattle, Washington uses 2 area codes — 206 and 564. The main Seattle area code is 206.
Area codes serving Seattle
Phone numbers in Seattle are written as ten digits — for example (206) 555-0190 — and fall in the Pacific Time zone.
How Seattle came to have 2 area codes
The original Seattle area code is 206, in service since 1947. As the area ran low on available numbers, an overlay code was added over the same region for new phone lines: 564 (2017). Existing numbers kept their original code — an overlay never forces anyone to change their number — which is why Seattle now uses all 2 codes and every local call is dialed with ten digits.
All Washington area codes · Is a Seattle call a scam?
Nearby cities
- Bellevue area codes
- Redmond area codes
- Renton area codes
- Bremerton area codes
- Auburn area codes
- Everett area codes
- Puyallup area codes
- Tacoma area codes
More cities in Washington
- Spokane area codes
- Vancouver area codes
- Bellingham area codes
- Olympia area codes
- Yakima area codes
- Marysville area codes
- Pullman area codes
- Pasco area codes
Frequently asked questions
What is the area code for Seattle?
The main area code for Seattle, Washington is 206. Seattle is now served by 2 area codes in total: 206, 564.
How many area codes does Seattle have?
Seattle has 2 area codes: 206, 564.
Why does Seattle have more than one area code?
As Seattle used up the numbers available in its original area code (206, in service since 1947), additional "overlay" codes were added over the same area so new phone numbers could keep being assigned.
How do you dial a Seattle number?
Dial all 10 digits — the area code (206 or 564) followed by the 7-digit local number. From abroad, dial +1, then the area code and number.
Sourced from the official NANPA (North American Numbering Plan Administrator) numbering database, current as of August 2, 2026. Refreshed monthly.