Waltham, Massachusetts

ZIP codes in Waltham

Area codes for Waltham

• Area code 781

  In service since September 1, 1997. Shares its area with 339. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.

• Area code 339

  In service since May 2, 2001. Shares its area with 781. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.

• 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

Waltham is in the Eastern Time zone.

Towns near Waltham

• North Waltham3.1 km (1.9 mi)
• Nonantum3.3 km (2.1 mi)
• West Newton3.4 km (2.1 mi)
• Newtonville3.8 km (2.4 mi)
• Auburndale4 km (2.5 mi)
• Waverley4.5 km (2.8 mi)
• Watertown4.6 km (2.9 mi)
• Newton4.9 km (3.0 mi)