Costa Mesa, California

Pacific Time Zone (UTC-8) · CA ·

About Area Codes in Costa Mesa, California

Costa Mesa, California is served by 2 area codes: 714, 657. When multiple area codes serve the same geographic area, it typically indicates overlay codes have been added to accommodate growing demand for phone numbers. All local calls within Costa Mesa require 10-digit dialing. The city is in the Pacific time zone (UTC-8).

Frequently Asked Questions

What area code is Costa Mesa, California?
Costa Mesa, California uses area codes 714 and 657.
What time zone is Costa Mesa in?
Costa Mesa is in the Pacific time zone (UTC-8).
Do I need to dial 10 digits when calling Costa Mesa?
Yes, all local calls in Costa Mesa require 10-digit dialing because the area is served by multiple overlay area codes.
When was area code 714 created?
Area code 714 was established in 1951 as a geographic split from a larger area code region to serve the growing population.
What cities share area code 714 with Costa Mesa?
Other cities sharing area code 714 with Costa Mesa include Anaheim, Buena Park, Cypress, Fountain Valley, Fullerton, among others.

Costa Mesa, CA · Pacific Time Zone