Zip Area Code

Acton, Massachusetts

Acton, Massachusetts, in Middlesex County, has ZIP codes 01718 and 01720 and area code 978, with 351 as an overlay.

ZIP codes
01718, 01720
Area codes
978, 351
Time zone
Eastern Time
Coordinates
42.4801, -71.4406

ZIP codes in Acton

ZIP codePost officeCountyArea codes
01718ActonMiddlesex County978, 351
01720ActonMiddlesex County978, 351

Area codes for Acton

  • Area code 978

    In service since September 1, 1997. Shares its area with 351. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.

  • Area code 351

    In service since May 2, 2001. Shares its area with 978. 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

Acton is in the Eastern Time zone.

Towns near Acton