Groton, Connecticut

Groton, Connecticut, in New London County, has ZIP codes 06340 and 06349 and area code 860, with 959 as an overlay.

ZIP codes: 06340, 06349
Area codes: 860, 959
Counties: New London County, Southeastern Connecticut
State: Connecticut
Time zone: Eastern Time
Coordinates: 41.3785, -72.0742

ZIP codes in Groton

ZIP code	Post office	County	Area codes
06340	Groton	New London County	860, 959
06349^*	Groton	Southeastern Connecticut	860, 959

* No mapped delivery area: P.O. boxes or a single organization. Area codes are those of the nearest ZIP code area.

Area codes for Groton

Area code 860
In service since August 28, 1995. Shares its area with 959. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.
Area code 959
In service since August 30, 2014. Shares its area with 860. 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

Conning Towers-Nautilus Park1.5 km (0.9 mi)
New London4.1 km (2.5 mi)
Quaker Hill4.5 km (2.8 mi)
Gales Ferry5.6 km (3.5 mi)
Waterford6.9 km (4.3 mi)
Poquonock Bridge7 km (4.3 mi)
Noank7.8 km (4.8 mi)
Mystic8.3 km (5.2 mi)

Local numbers in area code 860

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