Bellevue, Washington

Where Is Area Code 425?

Area code 425 is in western Washington, east and north of Seattle. It serves much of the Eastside and nearby suburban areas around Lake Washington and northern Puget Sound.

Major cities in area code 425 include Bellevue, Everett, Renton, Kirkland, Redmond, and Lynnwood. The area code covers parts of King County and Snohomish County. It also serves communities such as Bothell, Issaquah, Sammamish, Edmonds, and Mercer Island.

This region includes major geographic features such as Lake Washington, Puget Sound, and the Cascade foothills. Notable places in the 425 area include downtown Bellevue, the Microsoft campus in Redmond, and Paine Field in Everett.

History of Area Code 425

Area code 425 began service on April 27, 1997. It was created in a split from area code 206, which had long served Seattle and surrounding areas in western Washington.

The split reflected fast growth in the Seattle metro area during the 1990s. Area code 425 took many suburbs east and north of Seattle, while 206 remained with Seattle and some nearby communities. Area code 564 now overlays parts of western Washington, including the 425 region, and 10-digit dialing applies in overlay areas.

Key Facts About Area Code 425

• Area code 425 is in the state of Washington.
• Bellevue is one of the best-known cities in area code 425.
• Area code 425 is in the Pacific Time Zone.
• Area code 425 was created on April 27, 1997, in a split from area code 206.
• Area code 425 serves parts of King County and Snohomish County in the Seattle metropolitan area.
• Major cities in area code 425 include Bellevue, Everett, Kirkland, Redmond, Renton, and Lynnwood.
• The Microsoft headquarters campus in Redmond is in area code 425.
• Area code 564 overlays the same numbering plan area, so 10-digit dialing is required for local calls.

Frequently Asked Questions

What state is area code 425 in?

Area code 425 is in Washington.

What major cities use area code 425?

Major cities in area code 425 include Bellevue, Everett, Renton, Kirkland, Redmond, Lynnwood, Bothell, and Issaquah.

Is area code 425 a toll-free number?

No. Area code 425 is a geographic area code in western Washington.