State: California
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Major City: Oakland
Timezone: Pacific
Current Time: 3:54pm
Short URL: allareacodes.com/510
Where do 510 phone numbers come from?
Area codes 510 and 341 are telephone area codes in the North American Numbering Plan (NANP) serving much of the East Bay in California. They cover parts of Contra Costa County and western Alameda County, including the city of Oakland, but excluding Dublin, Livermore, Pleasanton, and Sunol.
What state and time zone is area code 501?
Arkansas
What is California's area code for phone numbers?
California currently utilizes 34 area codes. When first established by AT&T and the Bell System in 1947, 213 covered southern California including Los Angeles, 415 covered northern/central California including San Francisco and Sacramento, and 916 covered northern California but not including Sacramento.