
The U.S. state of
Washington
Washington most commonly refers to:
* George Washington (1732–1799), the first president of the United States
* Washington (state), a state in the Pacific Northwest of the United States
* Washington, D.C., the capital of the United States
** A ...
has six
telephone
A telephone, colloquially referred to as a phone, is a telecommunications device that enables two or more users to conduct a conversation when they are too far apart to be easily heard directly. A telephone converts sound, typically and most ...
area codes
A telephone numbering plan is a type of numbering scheme used in telecommunication to assign telephone numbers to subscriber telephones or other telephony endpoints. Telephone numbers are the addresses of participants in a telephone network, reach ...
serving five distinct
numbering plan area
The North American Numbering Plan (NANP) is an integrated telephone numbering plan for twenty-five regions in twenty countries, primarily in North America and the Caribbean. This group is historically known as World Zone 1, World Numbering Zone ...
s. The state initially used a single area code (
206
Year 206 ( CCVI) was a common year starting on Wednesday of the Julian calendar. At the time, it was known as the Year of the Consulship of Umbrius and Gavius (or, less frequently, year 959 ''Ab urbe condita''). The denomination 206 for this y ...
) until it was divided in 1957 with the creation of
area code 509
Area code 509 is the telephone area code in the North American Numbering Plan (NANP) for the eastern part of the U.S. state of Washington. The numbering plan area (NPA) roughly comprises the state east of the Cascade Mountains, and includes Spok ...
to serve
Eastern Washington
Eastern Washington is the region of the U.S. state of Washington located east of the Cascade Range. It contains the city of Spokane (the second largest city in the state), the Tri-Cities, the Columbia River and the Grand Coulee Dam, the H ...
. In 1995, 206 was split again to serve just the
Puget Sound region
The Puget Sound region is a coastal area of the Pacific Northwest in the U.S. state of Washington (state), Washington, including Puget Sound, the Puget Sound lowlands, and the surrounding region roughly west of the Cascade Range and east of the ...
after
area code 360
Area code 360 is a telephone area code in the North American Numbering Plan (NANP) for the part of Washington state outside metropolitan Seattle and west of the Cascade Mountains. The numbering plan area (NPA) serves all of western Washington out ...
was created for the remainder of
Western Washington
Western Washington is a region of the United States defined as the area of Washington State west of the Cascade Mountains. This region is home to the state's largest city, Seattle, the state capital, Olympia, and most of the state's residents. ...
. In 1997,
area code 425 was assigned to Seattle's
Eastside and
South Snohomish County suburbs and
area code 253 for the Tacoma area, leaving 206 for just the city of
Seattle
Seattle ( ) is the most populous city in the U.S. state of Washington and in the Pacific Northwest region of North America. With a population of 780,995 in 2024, it is the 18th-most populous city in the United States. The city is the cou ...
, closely neighboring cities in
King
King is a royal title given to a male monarch. A king is an Absolute monarchy, absolute monarch if he holds unrestricted Government, governmental power or exercises full sovereignty over a nation. Conversely, he is a Constitutional monarchy, ...
and
Snohomish counties, and Bainbridge Island in
Kitsap County
Kitsap County is a County (United States), county in the U.S. state of Washington (state), Washington. As of the 2020 United States census, 2020 census, its population was 275,611. Its county seat is Port Orchard, Washington, Port Orchard; its ...
.
See also
*
List of North American Numbering Plan area codes
The North American Numbering Plan (NANP) divides the territories of its members into geographic numbering plan areas (NPAs). Each NPA is identified by one or more numbering plan area codes (''NPA codes'', or ''area code
A telephone numbering plan ...
References
External links
NANPA Washington area code map
{{Area code list
Washington
Washington most commonly refers to:
* George Washington (1732–1799), the first president of the United States
* Washington (state), a state in the Pacific Northwest of the United States
* Washington, D.C., the capital of the United States
** A ...
Area codes
A telephone numbering plan is a type of numbering scheme used in telecommunication to assign telephone numbers to subscriber telephones or other telephony endpoints. Telephone numbers are the addresses of participants in a telephone network, reach ...