Highgrove, California

Nearest ZIP codes to Highgrove

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

Area codes for Highgrove

• 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 code 951

  In service since July 17, 2004. 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

Highgrove is in the Pacific Time zone.

Towns near Highgrove

• Grand Terrace2.3 km (1.4 mi)
• Colton3.1 km (1.9 mi)
• Loma Linda6.5 km (4.0 mi)
• Bryn Mawr8.4 km (5.2 mi)
• March Air Reserve Base10.2 km (6.3 mi)
• Bloomington10.3 km (6.4 mi)
• Riverside10.5 km (6.5 mi)
• Moreno Valley11.9 km (7.4 mi)