Mill Valley, California

ZIP codes in Mill Valley

Area codes for Mill Valley

• Area code 415

  In service since 1947. Shares its area with 628. Local calls are dialed with 1 plus ten digits.

• Area code 628

  In service since March 21, 2015. Shares its area with 415. 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

Mill Valley is in the Pacific Time zone.

Towns near Mill Valley

• Alto1.9 km (1.2 mi)
• Tamalpais-Homestead Valley2.4 km (1.5 mi)
• Corte Madera3.1 km (1.9 mi)
• Larkspur3.8 km (2.4 mi)
• Marin4 km (2.5 mi)
• Greenbrae5.2 km (3.2 mi)
• Muir Beach5.7 km (3.5 mi)
• Kentfield5.9 km (3.7 mi)