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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 Maple Valley.
4 days ago · Find out the location, company and service provider of any phone number with area code 425 in Washington. See the list of phone prefixes, new numbers and the date of overlay for 425 area code.
Area code 425 is in Washington and serves the eastern and northern suburbs of Seattle. It was created from a split of area code 206 in 1997 and includes King, Kittitas and Snohomish counties.
425 Area Code. Area code 425 serves the state of Washington. This area code was assigned on October 31st, 1996. On April 27th, 1997 it went into service. 425 is a General Purpose Code. Dialing pattern for local calls within the same NPA (area code) is 10D.
- Washington
- Pacific (GMT -08:00)
May 1, 2024 · Learn about the 425 area code in Washington, covering Seattle, Bellevue, Kent and other cities. Find out the time zone, population, prefix assignment, overlay and parent area code information.
1993: split to create 905. 2001: overlaid by 647. 2013: overlaid by 437. 2025: overlaid by 942. area code 387 is reserved as a fifth code for the region. 417. Missouri ( Springfield, Joplin, Branson, Lamar, Lebanon, and most of southwestern Missouri) 1950. created from parts of the area codes 314 and 816.
3 days ago · 425 is an area code in Washington, US, serving Bellevue and other cities in King, Snohomish and Cowlitz counties. Learn about its location, time zone, map and daylight saving time.
