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The U.S. state of Washington has six telephone area codes. The state initially used a single area code until it was divided in 1957 with the creation of area code 509 to serve Eastern Washington. In 1995, 206 was split again to serve just the Puget Sound region after area code 360 was created for the remainder of Western Washington.
List of Washington area codes may refer to: List of Washington (state) area codes; List of Washington, D.C., area codes This page was last edited on 23 ...
Area code 425; Area code 509; Area code 564 This page was last edited on 24 December 2023, at 10:17 (UTC). Text is available under the Creative Commons ...
Look at the area code: Start by comparing the phone number’s area code to the list of area codes you should never answer. If it’s on the list, there’s a good chance there’s a scammer on ...
Area code 564 is a telephone overlay area code in the North American Numbering Plan (NANP) for Western Washington state, including metropolitan Seattle. The area code was first proposed in 1999 to relieve telephone number shortages in area code 360 , but implementation was delayed until 2017, when it was installed for an overlay complex that ...
Area codes are also assigned for non-geographic purposes. The rules for numbering NPAs do not permit the digits 0 and 1 in the leading position. [1] Area codes with two identical trailing digits are easily recognizable codes (ERC). NPAs with 9 in the second position are reserved for future format expansion.
On June 15, 2023, the WUTC approved the expansion of the overlay plan of area code 564 to the 206 area before central office code exhaustion occurs in 2025. [5] Area code 564 had only served the 360 numbering plan area since 2017. 564 will also be added to the 253 and 425 area codes once necessary.
Map of Washington's area codes. The red-highlighted area has area code 425. Area code 425 is a telephone area code in the North American Numbering Plan (NANP) for the suburbs north and east of Seattle in the U.S. state of Washington. The numbering plan area includes the Eastside, extending east to North Bend, north to Everett, and south to ...