Fremont, California

Pacific Time Zone (UTC-8) · CA ·

About Area Codes in Fremont, California

Fremont, California is served by 2 area codes: 510, 341. 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 Fremont require 10-digit dialing. The city is in the Pacific time zone (UTC-8).

Frequently Asked Questions

What area code is Fremont, California?
Fremont, California uses area codes 510 and 341.
What time zone is Fremont in?
Fremont is in the Pacific time zone (UTC-8).
Do I need to dial 10 digits when calling Fremont?
Yes, all local calls in Fremont require 10-digit dialing because the area is served by multiple overlay area codes.
When was area code 510 created?
Area code 510 was established in 1991 as a geographic split from a larger area code region to serve the growing population.
What cities share area code 510 with Fremont?
Other cities sharing area code 510 with Fremont include Alameda, Albany, Berkeley, Emeryville, Hayward, among others.

Fremont, CA · Pacific Time Zone