Area Code 425 in Washington
Area Code 425 covers the suburbs north and east of Seattle, particularly the Eastside, extending east to North Bend, north to Everett, and south to Maple Valley. Area Code 253 was introduced on 31 October 1996 as part of a three-way split of Area Code 206, along with Area Code 253. In January 2017, Area Code 564 was activated as an overlay code for all of the Western Washington State Area Codes (206, 253, 360 and 425) but is currently only being allocated to Area Code 360. Within Area Code 425 there are 18 towns and cities in 3 counties.
Area Code 425 currently has 537 active Exchange Codes, with the last being introduced on 14 September 2017, giving a total number pool of 4,261,000 numbers.
In this Area Code there are 1549 telephone numbers that have been the subject of complaints to the FCC and 17184 telephone numbers that our research shows belong to legitimate businesses.