Richmond, California
Pacific Time Zone (UTC-8) · CA · —
About Area Codes in Richmond, California
Richmond, 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 Richmond require 10-digit dialing. The city is in the Pacific time zone (UTC-8).
Frequently Asked Questions
What area code is Richmond, California?
Richmond, California uses area codes 510 and 341.
What time zone is Richmond in?
Richmond is in the Pacific time zone (UTC-8).
Do I need to dial 10 digits when calling Richmond?
Yes, all local calls in Richmond 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 Richmond?
Other cities sharing area code 510 with Richmond include Alameda, Albany, Berkeley, Emeryville, Fremont, among others.
Also called Richmond:
Richmond, CA · Pacific Time Zone