510 Area Code - Location, Time, Map, Cities and Census Data - ZIP-Codes.com
https://www.zip-codes.com/area-code/area-code-510.asp
Web ResultMar 1, 2024 · Area Code 510 is located in California. It covers 21 cities, including San Jose, San Francisco, Oakland, Fremont, and Hayward. It also covers 4 counties, including Alameda County, Contra Costa County, San Francisco County, Santa Clara County. A full list of covered cities and counties is below including its prefix and …
DA: 13 PA: 23 MOZ Rank: 76