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List of Washington (state) area codes. The U.S. state of Washington has six telephone area codes. The state initially used a single area code (206) until it was divided in 1957 with the creation of area code 509 to serve Eastern Washington.
Washington area code map, list, and phone lookup for all cities in Washington.
Washington area codes map gives information about all the area codes of Washington state along with their counties list.
An Interactive Map of All Washington Area Codes - September 2024.
Lookup area codes by state. View our Washington area code information.
Find Washington area codes by city or lookup which cities belong to an area code.
Washington area code map. View the complete list of all area codes in Washington.
Our area code lookup makes it easy to find area codes in Washington. Includes area code listings of all Washington area codes with corresponding cities.
All phone area codes in the Washington with major cities covered.
To find phone numbers, area code information, and area code maps, see our White Pages.