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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 .
Most current and detailed information for Washington area codes and telephone prefixes / exchanges and associated cities and towns.
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.
There are 6 active area codes in the state of Washington. Each of these area codes are listed below. There are two lists that Wirefly provides for the area codes in Washington. The first table below shows the most populated cities in Washington with the area codes listed next to them.
Navigate Washington communication landscape with ease. Find detailed listings of area codes, zip codes, and phone number structures for all regions across the state.
Dialing code +1 (509) Try our area code lookup! It is an easy way to find area codes in Washington. Includes area code listings of all Washington area codes with corresponding cities.
Part of this roll out included the implementation of mandatory 10-digit dialing for all western Washington area codes, which required callers to dial all 10 digits of a telephone number, including area code, when making local calls. Washington state is ten-digit local dialing statewide.
