ZIP Code 06378
Stonington · Southeastern Connecticut, Connecticut
06378 is the ZIP code of Stonington in Southeastern Connecticut, Connecticut, United States.
- ZIP Code
- 06378
- County
- Southeastern Connecticut
- State
- Connecticut
- Country
- United States
Place with ZIP code 06378
| Place | County | Location |
|---|---|---|
| Stonington | Southeastern Connecticut | 41.366, -71.915 |
Near Boston
The nearest major city is Boston, about 131 km away.
Nearby ZIP codes
Frequently asked questions
Which places use ZIP code 06378?
Stonington.
Which county and state is 06378 in?
Southeastern Connecticut, Connecticut, United States.
What is the nearest major city to 06378?
Boston, about 131 km away.
Source: GeoNames postal codes (CC BY 4.0), geonames.org, retrieved 2026-10-22. Place coordinates are approximate. Check with the national postal service before sending anything valuable.