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  2. Area code 564 - Wikipedia

    en.wikipedia.org/wiki/Area_code_564

    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 ...

  3. List of Washington (state) area codes - Wikipedia

    en.wikipedia.org/wiki/List_of_Washington_(state...

    Original statewide area code until 1957, when area code 509 was created for Eastern Washington. Further splits in 1995 to create area code 360 for most of Western Washington, and 1997 to form area codes 253 and 425. 564 will be added to the 206 area in 2025. 509: January 1, 1957 [1]

  4. List of future North American area codes - Wikipedia

    en.wikipedia.org/wiki/List_of_future_North...

    New area code Affected NPA Jurisdiction Projected exhaust date [1] [2] Effective date 257: 236/672/778, 604, 250: British Columbia: ... 564: 206: Washington: 2026 ...

  5. New 821 area code coming to Upstate; existing 864 ... - AOL

    www.aol.com/821-area-code-coming-upstate...

    A new area code is coming to the Upstate. By next summer, 821 will be added as a prefix to the current 864 area code. The South Carolina Public Service Commission on Nov. 28 announced the new area ...

  6. List of area code overlays - Wikipedia

    en.wikipedia.org/wiki/List_of_area_code_overlays

    Overlay area codes Location Notes Added ... New 557 area code was announced in February 2022 and went into effect August 12, 2022. ... 564 initially overlays only 360

  7. Telephone number pooling - Wikipedia

    en.wikipedia.org/wiki/Telephone_number_pooling

    In some areas, decreased code demand and conservation efforts have allowed the introduction of proposed new area codes to be delayed. [22] Area code 564, proposed to overlay the portion of western Washington State currently in area codes 206, 253, 360, and 425 was delayed in 2001 [23] as codes were reclaimed and numbers pooled; it was later ...

  8. Area code 206 - Wikipedia

    en.wikipedia.org/wiki/Area_code_206

    The southern portion, including Tacoma, received area code 253, while the northern portion, including Everett and the Eastside, was assigned area code 425. [3] [4] 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]

  9. List of North American Numbering Plan area codes - Wikipedia

    en.wikipedia.org/wiki/List_of_North_American...

    1955: split to give New Brunswick its own 506 area code; Newfoundland was added to the service area when it joined Canada in 1949. When 506 was created, Newfoundland was assigned to the new code along with New Brunswick. In 1962, Newfoundland received its own code, 709. 2014: overlaid by 782; 851 reserved as a third area code for the region. 903