Area code 253 is a telephone area code in the North American Numbering Plan (NANP) for a part of the U.S. state of Washington. The numbering plan area (NPA) includes cities in King County that are situated south of Seattle and the southern Puget Sound area, centered at Tacoma and extending to include the areas around Gig Harbor, Auburn, and Roy. It also serves the western half of Pierce County, as well as southern King County.
The area code commenced service on April 27, 1997, as part of a three-way split of area code 206, with the other new area code being area code 425.[1]
Area code 253 is slated to participate in the overlay complex 564, which has been active since 2017 only in NPA 360,[2][3] when central office code exhaustion demands relief.
- ^ Flash, Cynthia (April 27, 1997). "Welcome, 253 and 425". The News Tribune. p. A1. Retrieved 2023-02-03 – via Newspapers.com.
- ^ "Planning Letter 492: NPA 564 to Overlay NPA 360 (Washington)" (PDF). NANPA. 2016-06-28. Retrieved 2025-04-26.
- ^ Brown, Andrea (2021-03-23). "Meet area code 564: The new kid in town is gaining ground". The Everett Herald. Retrieved 2021-04-01.
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