Zip Area Code

Chino Hills, California

Chino Hills, California, in San Bernardino County, has ZIP code 91709 and area code 909, with 840 as an overlay.

ZIP code
91709
Area codes
909, 840
Time zone
Pacific Time
Coordinates
33.9797, -117.7308

ZIP codes in Chino Hills

ZIP codePost officeCountyArea codes
91709Chino HillsSan Bernardino County909, 840

Area codes for Chino Hills

  • 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

Chino Hills is in the Pacific Time zone.

Towns near Chino Hills