Duvall, Washington Area Code

Duvall, WA Area Codes are

Duvall, WA is officially utilizing one area code which is area code 425.

In addition to Duvall, WA area code information read more about area code 425 details and Washington area codes.

Duvall, WA is located in King County and observes the Pacific Time Zone. View our Times by Area Code tool.

Washington Area Code Map