Middlesex County, Connecticut ZIP Codes

ZIP Codes in Middlesex County with Associated Cities & Towns

Middlesex County, CT - Standard ZIP Codes

06409 | 06412 | 06413 | 06415 | 06416 | 06417 | 06419 | 06420 | 06422 | 06423 | 06424 | 06426 | 06438 | 06441 | 06442 | 06455 | 06457 | 06469 | 06475 | 06480 | 06481 | 06498 | 06514

Middlesex County, CT - PO Box ZIP Codes (NO DEMOGRAPHIC DATA)

06414 | 06456

Middlesex County, CT - Unique - Single Entity ZIP Codes (NO DEMOGRAPHIC DATA)

06459

Note: Every ZIP Code has a single ACTUAL City Name assigned by the US Postal Service (USPS).
See the specific ZIP Code for acceptable Alternate City Names and spelling variations.

Map of Middlesex County, CT ZIP Codes With Actual (Default) City Names

Centerbrook
Chester
Clinton
Cobalt
Cromwell
Deep River
Durham
East Haddam
East Hampton
Essex
Haddam
Higganum
Ivoryton
Killingworth
Middle Haddam
Middlefield
Middletown
Moodus
Old Saybrook
Portland
Rockfall
Westbrook

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Middlesex County, Connecticut ZIP Codes

ZIP Codes in Middlesex County with Associated Cities & Towns

Map of Middlesex County, CT ZIP Codes With Actual (Default) City Names

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