North Chelmsford, Massachusetts
North Chelmsford, Massachusetts, in Middlesex County, has ZIP code 01863 and area code 978, with 351 as an overlay.
- ZIP code
- 01863
- Area codes
- 978, 351
- County
- Middlesex County
- State
- Massachusetts
- Time zone
- Eastern Time
- Coordinates
- 42.6347, -71.3908
ZIP codes in North Chelmsford
Area codes for North Chelmsford
- 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
North Chelmsford is in the Eastern Time zone.
Towns near North Chelmsford
- Tyngsboro4.7 km (2.9 mi)
- Chelmsford5.6 km (3.5 mi)
- Lowell6 km (3.7 mi)
- Westford6.7 km (4.2 mi)
- Dracut7.5 km (4.7 mi)
- Dunstable9.6 km (6.0 mi)
- North Billerica10.5 km (6.5 mi)
- Carlisle12.2 km (7.6 mi)
Local numbers in area code 978
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- (978) 970-8887Lowell, MA$89View & buy
- (978) 289-9878Andover, MA$59View & buy
- (978) 310-1231Hudson, MA$59View & buy
- (978) 310-1233Hudson, MA$59View & buy
- (978) 310-1236Hudson, MA$59View & buy
- (978) 310-1238Hudson, MA$59View & buy
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- (978) 310-1987Hudson, MA$59View & buy
- (978) 338-9878Beverly, MA$59View & buy
- (978) 384-6788Merrimac, MA$59View & buy
- (978) 472-5677Concord, MA$59View & buy
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