Area code 925 is a telephone area code in the North American Numbering Plan for a northern part of the U.S. state of California. It was created in an area code split of area code 510 in 1998. …

About area code 925: location, common spam callers, related area codes, and more. Includes 925 reverse phone lookup to identify spam callers.

Dec 1, 2025 · Area Code 925 is located in California. It covers 23 cities, including Oakland, Fremont, Hayward, Concord, and Antioch. It also covers 2 counties, including Contra Costa …

Browse area code 925 phone numbers, prefixes and exchanges. The 925 area code serves Oakland, San Francisco, Concord, Pleasanton, San Jose, covering 35 ZIP codes in 6 counties.

Mar 9, 2025 · 925 is an area code located in the state of California, US. The largest city it serves is Concord. Find out where 925 area code zone from, which states, counties and cities it …

Area code 925 is located in California. Get the area’s map, cities covered, current time, prefixes, and dialing instructions.

Area Code 925 Boundary Map List of ZIP Codes in Area Code 925 ... List of Counties in Area Code 925 ... List of Major Cities/Towns in Area Code 925

Mar 1, 2018 · Find 925 area code details including city, time zone, and map. Lookup area code 925 phone number, name, and location.

The 925 Area Code is located in the state of California. Area Code 925 is one of the 269 three-digit telephone area codes in the USA. It covers roughly 6,258,100 unique phone numbers …

Area code 925 is a telephone area code in the North American Numbering Plan (NANP) for the U.S. state of California. Below you will find more info about Code and also zip codes, counties, …