ZIP Code 06423
East Haddam · Lower Connecticut River Valley, Connecticut
06423 is the ZIP code of East Haddam in Lower Connecticut River Valley, Connecticut, United States.
- ZIP Code
- 06423
- County
- Lower Connecticut River Valley
- State
- Connecticut
- Country
- United States
Place with ZIP code 06423
| Place | County | Location |
|---|---|---|
| East Haddam | Lower Connecticut River Valley | 41.470, -72.406 |
Near The Bronx
The nearest major city is The Bronx, about 140 km away.
Nearby ZIP codes
Frequently asked questions
Which places use ZIP code 06423?
East Haddam.
Which county and state is 06423 in?
Lower Connecticut River Valley, Connecticut, United States.
What is the nearest major city to 06423?
The Bronx, about 140 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.