Cambridge, Massachusetts

ZIP codes in Cambridge

Area codes for Cambridge

• Area code 617

  In service since 1947. Shares its area with 857. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.

• Area code 857

  In service since May 2, 2001. Shares its area with 617. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.

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

Cambridge is in the Eastern Time zone.

Towns near Cambridge

• Somerville2 km (1.2 mi)
• Allston3.1 km (1.9 mi)
• Charlestown3.6 km (2.2 mi)
• Brookline Village4.6 km (2.9 mi)
• Brookline4.7 km (2.9 mi)
• Roxbury Crossing4.9 km (3.0 mi)
• Medford4.9 km (3.0 mi)
• Brighton5 km (3.1 mi)