King County Area Codes

About King County Area Codes

The county of King County, located in Washington, is served by 3 telephone area code(s) in this dataset. These calling codes cover cities, suburbs, and unincorporated communities across the county.

Major phone area codes used in King County include 206, 253, 425. The county mainly follows the America/Los_Angeles time zone.

Cities and towns served by these area codes in King County include Auburn, Bellevue, Burien, City of Sammamish, Cottage Lake, Des Moines, East Hill-Meridian, Federal Way, Inglewood-Finn Hill, Kirkland, Mercer Island, Redmond, Renton, Seattle, Shoreline, White Center.

List of Area Codes in King County, Washington

The table below lists all telephone area codes used in King County, Washington, along with their associated cities and time zones from this dataset.

Related Area Code Pages

Explore related area code resources on Burning Compass:

• All area codes in Washington
• Individual area code details are available from the table above.