Mountlake Terrace, Washington

Pacific Time Zone (UTC-8) · WA ·

About Area Codes in Mountlake Terrace, Washington

Mountlake Terrace, Washington is served by area code 425, which was established in 1997 as a geographic split from a larger area code region. The city falls within the Pacific time zone (UTC-8). All calls to and from Mountlake Terrace use the 425 area code prefix for local and long-distance dialing.

Frequently Asked Questions

What area code is Mountlake Terrace, Washington?
Mountlake Terrace, Washington uses area code 425.
What time zone is Mountlake Terrace in?
Mountlake Terrace is in the Pacific time zone (UTC-8).
Do I need to dial 10 digits when calling Mountlake Terrace?
Standard 7-digit dialing is used for local calls within Mountlake Terrace. However, 10-digit dialing is always accepted and required for long-distance calls.
When was area code 425 created?
Area code 425 was established in 1997 as a geographic split from a larger area code region to serve the growing population.
What cities share area code 425 with Mountlake Terrace?
Other cities sharing area code 425 with Mountlake Terrace include Bellevue, Bothell, Edmonds, Everett, Issaquah, among others.

Mountlake Terrace, WA · Pacific Time Zone