Zip Area Code

Granite Hills, California

No ZIP code carries the name of Granite Hills, California, in San Diego County; the nearest ZIP codes are 92019, 92020 and 92021, in area code 619, with 858 as an overlay.

Nearest ZIP
92019, 92020, 92021
Area codes
619, 858
Time zone
Pacific Time
Coordinates
32.8033, -116.9056

Nearest ZIP codes to Granite Hills

These are the ZIP codes nearest to Granite Hills, each listed with the post office it is named after.

ZIP codePost officeCountyArea codes
92019El CajonSan Diego County619, 858
92020El CajonSan Diego County619, 858
92021El CajonSan Diego County619, 858

Area codes for Granite Hills

  • Area code 619

    In service since 1982. Shares its area with 858. Local calls are dialed with 1 plus ten digits.

  • Area code 858

    In service since June 12, 1999. Shares its area with 619. 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

Granite Hills is in the Pacific Time zone.

Towns near Granite Hills