East Haddam, CT ZIP Codes, Coordinates & Counties

East Haddam, Connecticut has 1 ZIP code in Middlesex county. The approximate center of East Haddam is 41.467, -72.388. East Haddam has about 13,344 known street addresses.

ZIP codes
1
Counties
1
State
Connecticut (CT)
Coordinates
41.467, -72.388
Mapped addresses
13,344

ZIP codes in East Haddam, CT

ZIP CodeCountyLatitudeLongitude
06423 Middlesex 41.467 -72.388

Counties East Haddam spans

Middlesex

Most common streets in East Haddam

West, Main, Town, Baker, Creek, Wickham, Shore, Mill, Oak, Maple

Frequently asked questions

What ZIP codes are in East Haddam, CT?

East Haddam, Connecticut has 1 ZIP code, ranging from 06423 to 06423. The full list, with each ZIP's county and coordinates, is in the table on this page.

What county is East Haddam, CT in?

East Haddam is in Middlesex county.

What are the latitude and longitude of East Haddam, CT?

The approximate center of East Haddam, Connecticut is latitude 41.467, longitude -72.388. Coordinates for each ZIP code are listed in the table above.

How many ZIP codes does East Haddam, CT have?

East Haddam has 1 ZIP code.

How many addresses are in East Haddam, CT?

East Haddam, Connecticut has about 13,344 known street addresses in the sthan.io US address database.

What are the most common streets in East Haddam, CT?

Some of the most common street names in East Haddam are West, Main, Town, Baker, Creek, Wickham.

What cities are near East Haddam, CT?

Cities near East Haddam include Moodus (4 mi), Chester (6 mi), Haddam (6 mi), Salem (6 mi), Colchester (7 mi).

Cities near East Haddam

Moodus, CT (4 mi) Chester, CT (6 mi) Haddam, CT (6 mi) Salem, CT (6 mi) Colchester, CT (7 mi) Centerbrook, CT (8 mi) Deep River, CT (8 mi) Essex, CT (8 mi)

All Connecticut cities →

Need this for any US address, in code?

Get the ZIP code, county, and coordinates for any US address through the sthan.io API. Free 100 requests/month, no credit card required.

View the API →

Last updated: June 2026 · Data: sthan.io US address database