Learn about the 925 area code, including its location, cities, time zone, introduction date, and related area codes.
925 Area Code Details
Major Cities in the 925 Area Code
The 925 area code is associated with the following cities and communities:
- Antioch
- Bay Point
- Brentwood
- Concord
- Danville
- Dublin
- Lafayette
- Livermore
- Martinez
- Oakley
- Pittsburg
- Pleasant Hill
- Pleasanton
- San Ramon
- Walnut Creek
Counties Served by 925 Area Code
- Contra Costa County
- Alameda County
Where Is Area Code 925 Located?
The 925 area code serves communities in California. The exact communities and numbering assignments can change as telephone numbering resources are updated.
925 Area Code Time Zone
The 925 area code is associated with the Pacific time zone.
When Was 925 Area Code Introduced?
The 925 area code was introduced in 14-Mar-1998.
How to Call a 925 Area Code Number
For a call within the same numbering plan, dial the required local number according to your carrier’s dialing rules. For calls from outside the United States, use the United States country code (+1), followed by the area code and seven-digit telephone number.
925 Area Code FAQ
What state is 925 area code in?
The 925 area code is associated with California.
What time zone is 925 area code in?
The 925 area code is associated with Pacific.
What cities use 925 area code?
Antioch|Bay Point|Brentwood|Concord|Danville|Dublin|Lafayette|Livermore|Martinez|Oakley|Pittsburg|Pleasant Hill|Pleasanton|San Ramon|Walnut Creek
More Questions About Area Code 925
What state is area code 925 in?
Area code 925 is associated with California.
What time zone is area code 925 in?
The listed time zone for area code 925 is Pacific.