Haddam, CT ZIP Codes, Coordinates & Counties
Haddam, Connecticut has 1 ZIP code in Middlesex county. The approximate center of Haddam is 41.457, -72.504. Haddam has about 8,600 known street addresses.
ZIP codes in Haddam, CT
| ZIP Code | County | Latitude | Longitude |
|---|---|---|---|
| 06438 | Middlesex | 41.457 | -72.504 |
Counties Haddam spans
Middlesex
Most common streets in Haddam
Saybrook, Middlesex, Main, Bridge, Oak Ridge, Park, Church Hill, Marine, Harpers, Grandview
Frequently asked questions
What ZIP codes are in Haddam, CT?
Haddam, Connecticut has 1 ZIP code, ranging from 06438 to 06438. The full list, with each ZIP's county and coordinates, is in the table on this page.
What county is Haddam, CT in?
Haddam is in Middlesex county.
What are the latitude and longitude of Haddam, CT?
The approximate center of Haddam, Connecticut is latitude 41.457, longitude -72.504. Coordinates for each ZIP code are listed in the table above.
How many ZIP codes does Haddam, CT have?
Haddam has 1 ZIP code.
How many addresses are in Haddam, CT?
Haddam, Connecticut has about 8,600 known street addresses in the sthan.io US address database.
What are the most common streets in Haddam, CT?
Some of the most common street names in Haddam are Saybrook, Middlesex, Main, Bridge, Oak Ridge, Park.
What cities are near Haddam, CT?
Cities near Haddam include Chester (4 mi), Higganum (4 mi), Moodus (5 mi), Deep River (6 mi), East Haddam (6 mi).
Cities near Haddam
Chester, CT (4 mi) Higganum, CT (4 mi) Moodus, CT (5 mi) Deep River, CT (6 mi) East Haddam, CT (6 mi) Middle Haddam, CT (6 mi) East Hampton, CT (7 mi) Killingworth, CT (7 mi)
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View the API →Last updated: June 2026 · Data: sthan.io US address database