Zip Area Code

San Ramon, California

San Ramon, California, in Contra Costa County, has ZIP codes 94582 and 94583 and area code 925.

ZIP codes
94582, 94583
Area code
925
Time zone
Pacific Time
Coordinates
37.7599, -121.9339

ZIP codes in San Ramon

ZIP codePost officeCountyArea codes
94582San RamonContra Costa County925
94583San RamonContra Costa County925

Area code for San Ramon

  • Area code 925

    In service since March 14, 1998. Local calls are dialed with 1 plus ten digits.

Time zone

San Ramon is in the Pacific Time zone.

Towns near San Ramon