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The numbering plan area (NPA) serves all of western Washington outside urban King, Pierce, and Snohomish counties and Bainbridge Island, Until January 15, 1995, when the area code commenced service, the numbering plan area (NPA) was served by area code 206, Washington's original area code since 1947. Since 2017, area code 360 has been overlaid ...
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]
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.
To find out the 25 poorest and richest area codes, GOBankingRates used the 2015 Census Community Survey, the most recent data available, to rank cities across the nation in order of mean household ...
Quick Take: List of Scam Area Codes. More than 300 area codes exist in the United States alone which is a target-rich environment for phone scammers.
Map of Washington's area codes. Area 253 is shown in red. 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 ...
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.
Since September 30, 2017, telephone numbers with the area code 564 have been issued in the existing number plan area 360. [8] On June 15, 2023, the WUTC approved expanding the coverage of area code 564 to include numbering plan area 206. [1] Per NANPA analysis and determination, the overlay complex may be extended only as needed when NPAs 206 ...