Mountlake Terrace, Washington Area Code

Mountlake Terrace, WA Area Codes are


Mountlake Terrace, WA is currently using one area code which is area code 425.

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

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

Washington Area Code Map