ZIP Code 06439 – Hadlyme, CT
Hadlyme, Connecticut · Lower Connecticut River Valley Planning Region · Eastern time
| ZIP code | 06439 |
|---|---|
| City | Hadlyme |
| State | Connecticut |
| County | Lower Connecticut River Valley Planning Region |
| Population | 65 |
| Time zone | Eastern · local time |
| ZIP type | Standard (has a Census ZCTA area) |
| Land area | 0.78 sq mi |
| Center (lat, long) | 41.4157, -72.3997 |
Area codes in this area
These are the area codes that most often serve ZIP 06439 (including overlays). The exact area code depends on the phone number — landlines, mobiles and overlays can differ even on the same street.
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Nearby ZIP codes
About ZIP 06439
ZIP code 06439 is assigned to Hadlyme, Connecticut. It lies in Lower Connecticut River Valley Planning Region. Its Census area covers about 0.78 square miles of land. The closest neighboring ZIP is 06423 (East Haddam), about 2.9 miles away.
Every address in 06439 also has a 4-digit add-on code (ZIP+4) that points to a smaller delivery area. Use the box above to find it.
Sources: US Census Bureau (ZCTA, county relationship files), GeoNames (CC BY 4.0), NANPA via NumberResearch.org (CC BY 4.0). Map © OpenStreetMap contributors. ZIP areas are approximate. Population: U.S. Census Bureau, ACS 5-year estimates, 2024 (ZCTA). Data sources