Groton, CT ZIP Codes, Coordinates & Counties
Groton, Connecticut has 1 ZIP code in New London county. The approximate center of Groton is 41.357, -72.045. Groton has about 63,015 known street addresses.
ZIP codes in Groton, CT
| ZIP Code | County | Latitude | Longitude |
|---|---|---|---|
| 06340 | New London | 41.357 | -72.045 |
Counties Groton spans
New London
Most common streets in Groton
North, Plaza, Pleasant Valley, Military, Thames, Bridge, Elm, Shore, Smith, Meridian
Frequently asked questions
What ZIP codes are in Groton, CT?
Groton, Connecticut has 1 ZIP code, ranging from 06340 to 06340. The full list, with each ZIP's county and coordinates, is in the table on this page.
What county is Groton, CT in?
Groton is in New London county.
What are the latitude and longitude of Groton, CT?
The approximate center of Groton, Connecticut is latitude 41.357, longitude -72.045. Coordinates for each ZIP code are listed in the table above.
How many ZIP codes does Groton, CT have?
Groton has 1 ZIP code.
How many addresses are in Groton, CT?
Groton, Connecticut has about 63,015 known street addresses in the sthan.io US address database.
What are the most common streets in Groton, CT?
Some of the most common street names in Groton are North, Plaza, Pleasant Valley, Military, Thames, Bridge.
What cities are near Groton, CT?
Cities near Groton include New London (3 mi), Mystic (4 mi), Gales Ferry (5 mi), Quaker Hill (5 mi), Waterford (6 mi).
Cities near Groton
New London, CT (3 mi) Mystic, CT (4 mi) Gales Ferry, CT (5 mi) Quaker Hill, CT (5 mi) Waterford, CT (6 mi) Ledyard, CT (7 mi) Stonington, CT (7 mi) Fishers Island, NY (7 mi)
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View the API →Last updated: June 2026 · Data: sthan.io US address database