Coulee Dam, Washington Area Code

Coulee Dam, WA Area Codes are

Coulee Dam, WA is officially utilizing one area code which is area code 509.

In addition to Coulee Dam, WA area code information read more about area code 509 details and Washington area codes.

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

Washington Area Code Map