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. The numbering plan area (NPA) includes …

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.

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

Dec 1, 2025 · Important 510 Area Code Information Area Code 510 is located in California. It covers 21 cities, including San Jose, San Francisco, Oakland, Fremont, and Hayward. It also covers 4 …

Mar 9, 2025 · 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 …

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

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

510 Area Code OverviewThe 510 area code is one of the largest and most heavily populated area codes in the United States. The code covers the East Bay area of the San Francisco Bay Area, including …

Area Code 510 Map and Data Area Code 510 Profile ... Area Code 510 Boundary Map List of ZIP Codes in Area Code 510

Where is the 510 Area Code Located? The 510 area code is located in Northern California, covering the East Bay region of the San Francisco Bay Area. It was introduced in 1991 as a split from the 415 …