Lower Connecticut River Valley (CT) Zip Codes: United States

This list contains only 5-digit ZIP codes. Use our zip code lookup by address (or map) feature to get the full 9-digit (ZIP+4) code

Codes List

Centerbrook
06409
Chester
06412
Clinton
06413
Cobalt
06414
Cromwell
06416
Deep River
06417
Durham
06422
East Haddam
06423
East Hampton
06424
Essex
06426
Haddam
06438
Hadlyme
06439
Higganum
06441
Ivoryton
06442
Killingworth
06419
Middle Haddam
06456
Middlefield
06455
Middletown
06457 06459
Moodus
06469
Old Lyme
06371
Old Saybrook
06475
Portland
06480
South Lyme
06376
Westbrook
06498

Search by Map

Interactive map of zip codes in the US, Lower Connecticut River Valley (CT). Just click on the location you desire for a postal code/address for your mails destination. You can also enlarge the map to see the boundaries of US zip codes.

United States Other Codes

How to find a Zip Code

Each administrative division maintains its own postal code for mail delivery purposes. Having the correct code is essential to your mails delivery. Locate the correct postal codes for Lower Connecticut River Valley, Connecticut (United States) in the list above by clicking the destination region you are sending to.

Unsure which region to choose? Just use our lookup by address feature at the top of the page or click on the our interactive map to access your needed zip code.