510 Area Code, California

510 area code is a telephone area code in the North American Numbering Plan (NANP) for East Bay cities in Northern California, United States. The area code was created in 1991.

Area Code510
Major CityOakland
Service Date09/02/1991
Time ZonePacific
Overlay Complex341/510
LocationCalifornia (CA)
CountryUnited States

Some of the cities served by area code 510 include Oakland, Fremont, Hayward, Berkeley, Richmond, San Leandro, Alameda, Union City, Castro Valley and more.

Places covered by phone area code 510

Area codeCity/TownCounty
510Castro ValleyAlameda
510CrockettContra Costa
510El CerritoContra Costa
510El SobranteContra Costa
510HerculesContra Costa
510KnightsenContra Costa
510PinoleContra Costa
510Port CostaContra Costa
510RichmondContra Costa
510RodeoContra Costa
510San LeandroAlameda
510San LorenzoAlameda
510San PabloContra Costa
510Union CityAlameda

The main post offices in each region in Nigeria have postal codes ending in 0001. The lowest postal code is 100001 and the highest with a special code is 982112.

NIPOST or Nigerian Postal Service is a company owned and operated by the government of this country. The country has a total of more than 5000 post offices spread throughout the region. Find the correct ZIP (Zone Improvement Plan) code or Postal Code for the postal address you need.