Area code 510 is shown in red. Area codes 510 and 341 are telephone area codes in the North American Numbering Plan (NANP) serving much of the East Bay in the U.S. state of California.

Find 510 area code details including city, time zone, and map. Lookup area code 510 phone number, name, and location.

About area code 510: location, common spam callers, related area codes, and more. Includes 510 reverse phone lookup to identify spam callers.

Browse area code 510 phone numbers, prefixes and exchanges. The 510 area code serves Oakland, San Francisco, Pleasanton, Fremont, Hayward, covering 34 ZIP codes in 4 counties.

The 510 area code primarily covers cities within Alameda County and Contra Costa County. These counties are part of the San Francisco Bay Area and are known for their cultural diversity, economic …

Jan 1, 2026 · 510 Area Code located in California, including 21 cities, 4 counties, 1 time zone, map, Census demographics, and 741 active prefixes.

2 days ago · 510 is an area code located in the state of California, US. The largest city it serves is Oakland. Find out where 510 area code zone from, which states, counties and cities it covers. Get …

Area code 510 is located in California. Get the area’s map, cities covered, current time, prefixes, and dialing instructions.

List of ZIP Codes in Area Code 510 ... List of Major Cities/Towns in Area Code 510

You can search the releasable 510(k) database by Panel, 510(k) number, Product code or Device name. A search query will produce information from the database in the following format: