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Area code 425 is a telephone dialing code in Washington for the suburbs north and east of Seattle, particularly the Eastside, extending east to North Bend, north to Everett, and south to Maple Valley.
The area code went into service on April 27, 1997, as part of a three-way split of area code 206.
|Washington area codes: 206, 253, 360, 425, 509|
|West: 206||Area Code 425||East: 360, 509|
|South: 206, 253, 360|