Zip Area Code

Calimesa, California

Calimesa, California, in Riverside County, has ZIP code 92320 and area code 909, with 840 as an overlay.

ZIP code
92320
Area codes
909, 840
Time zone
Pacific Time
Coordinates
33.9946, -117.0430

ZIP codes in Calimesa

ZIP codePost officeCountyArea codes
92320CalimesaRiverside County909, 840

Area codes for Calimesa

  • Area code 909

    In service since November 14, 1992. Shares its area with 840. Local calls are dialed with 1 plus ten digits.

  • Area code 840

    In service since February 23, 2021. Shares its area with 909. 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

Calimesa is in the Pacific Time zone.

Towns near Calimesa