Zip Area Code

East Richmond Heights, California

No ZIP code carries the name of East Richmond Heights, California, in Contra Costa County; the nearest ZIP codes are 94530, 94803 and 94805, in area code 510, with 341 as an overlay.

Nearest ZIP
94530, 94803, 94805
Area codes
510, 341
Time zone
Pacific Time
Coordinates
37.9451, -122.3139

Nearest ZIP codes to East Richmond Heights

These are the ZIP codes nearest to East Richmond Heights, each listed with the post office it is named after.

ZIP codePost officeCountyArea codes
94530El CerritoContra Costa County510, 341
94803El SobranteContra Costa County510, 341
94805RichmondContra Costa County510, 341

Area codes for East Richmond Heights

  • Area code 510

    In service since September 2, 1991. Shares its area with 341. Local calls are dialed with 1 plus ten digits.

  • Area code 341

    In service since July 22, 2019. Shares its area with 510. Local calls are dialed with 1 plus ten digits.

Area codes here are matched from telephone rate centers, so a place near a boundary can have local numbers from either side of it.

Time zone

East Richmond Heights is in the Pacific Time zone.

Towns near East Richmond Heights