Groton, Massachusetts
Groton, Massachusetts, in Middlesex County, has ZIP codes 01450, 01470 and 01471 and area code 978, with 351 as an overlay.
- ZIP codes
- 01450, 01470, 01471
- Area codes
- 978, 351
- County
- Middlesex County
- State
- Massachusetts
- Time zone
- Eastern Time
- Coordinates
- 42.6116, -71.5691
ZIP codes in Groton
Area codes for Groton
- 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
Groton is in the Eastern Time zone.
Towns near Groton
- West Groton4.8 km (3.0 mi)
- East Pepperell5.7 km (3.5 mi)
- Ayer5.9 km (3.7 mi)
- Pepperell6.7 km (4.2 mi)
- Shirley7.7 km (4.8 mi)
- Devens8.8 km (5.5 mi)
- Dunstable9.2 km (5.7 mi)
- Littleton10.4 km (6.5 mi)
Local numbers in area code 978
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