| ZIP Code | 6423 |
| City | East Haddam |
| State | Connecticut (CT) |
| County | Lower Connecticut River Valley |
| Timezone | America/New_York |
| Coordinates | 41.4665400, -72.3905400 |
| Population | 5,182 |
| ZIP Type | STANDARD |
| Country | United States |
ZIP code 6423 covers the community of East Haddam in Connecticut, the United States. This area falls under Lower Connecticut River Valley County.
Around 5,182 people live in the 6423 ZIP code area. It's a quieter, less populous area than the typical Connecticut ZIP code (avg. ~12,717).
Population density runs around 54 people per sq. mile, making it a rural area.
Nearby communities in Connecticut include Stamford, Bristol, Danbury.
The ZIP code for East Haddam, Connecticut is 6423.
6423 is located in Lower Connecticut River Valley County, Connecticut.
The population of 6423 (East Haddam) is approximately 5,182 people.
6423 is less populated than the typical Connecticut ZIP code, which averages around 12,717 people.
ZIP code codes near 6423 include 6902, 6010, 6810.