Washington Area Codes
Directory of all 6 telephone area codes assigned to Washington.
Washington phone numbers are served by 6 area codes operating in the Pacific timezone.Because an overlay is active, 10-digit dialing is mandatory across much of the state. No area codes in Washington are currently flagged as high-risk scams.
Most populated prefix: area code 564 (Washington)
All Area Codes in Washington
Area Code 206
Seattle, Federal Way, Shoreline, Burien, Seatac, Des Moines, Mercer Island, Bainbridge Island, Normandy Park
Area Code 253
Tacoma, Kent, Federal Way, Auburn, Lakewood, Burien, Puyallup, University Place, Seatac, Des Moines
Area Code 360
Vancouver, Bellingham, Marysville, Lacey, Olympia, Bremerton, Edmonds, Lake Stevens, Longview, Mount Vernon
Area Code 425
Bellevue, Everett, Renton, Kirkland, Redmond, Sammamish, Bothell, Lynnwood, Issaquah, Maple Valley
Area Code 509
Spokane, Spokane Valley, Yakima, Kennewick, Pasco, Richland, Wenatchee, Walla Walla, Pullman, Moses Lake
Area Code 564
Seattle, Vancouver, Federal Way, Bellingham, Marysville, Shoreline, Lacey, Olympia, Burien, Bremerton
Major Cities Served by Washington Area Codes
The most populous urban centers and census places covered by Washington's area codes, ranked by population.
Washington Area Code FAQs
Quick answers to common questions about Washington telephone area codes.
How many area codes does Washington have?
Washington has 6 area codes: 206, 253, 360, 425, 509, 564.
What timezone do Washington area codes use?
Washington area codes operate in the Pacific timezone.
What is the most populated area code in Washington?
Area code 564 is the most populous prefix in Washington based on covered city population.
Which Washington area codes share an overlay?
206 and 564, 360 and 564. Overlay codes serve the same area, which is why 10-digit dialing is required.
Are there scam area codes in Washington?
Washington has no area codes currently flagged as high-risk scams.
About Washington Area Codes & Phone Dialing Rules
When placing calls within Washington, ten-digit dialing (area code + 7-digit telephone number) is required in overlay regions where multiple area codes serve the same geographic boundaries.