City · Connecticut · United States
Groton, CT — ZIP codes
2 ZIP codes · Southeastern Connecticut County
- City
- Groton
- County
- Southeastern Connecticut
- State
- Connecticut
- Country
- United States
- Postal codes
- 0634006349Single source
- Coordinates
- 41.3572, -72.0579 View on OpenStreetMap
- Area codes
- 860, 959 (from the nearest rate centre)
ZIP codes (2)
Sources and verification
US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.
GeoNames · U.S. Census Bureau (ACS) · U.S. Census Bureau · NOAA NCEI · usda-phzm. Last generated : 2026-08-21. Report an error.