Centerbrook
- 06409 - Middlesex County
Chester - 06412 - Middlesex County
Clinton - 06413 - Middlesex County
Cobalt - 06414 - Middlesex County
Cromwell - 06416 - Middlesex
County
Deep River - 06417 - Middlesex
County
Durham - 06422 - Middlesex County
East Haddam - 06423 - Middlesex
County
East Hampton - 06424 - Middlesex
County
Essex - 06424 - Middlesex County
Fenwick - 06475 - Middlesex County
Haddam - 06438 - Middlesex County
Higganum - 06441 - Middlesex
County
Ivoryton - 06442 - Middlesex
County
Killingworth - 06417 - Middlesex
County
Lake Pocotopaug - Middlesex County
Middlefield - 06455 - Middlesex
County
Middletown - 06457 - Middlesex
County
Moodus - 06469 - Middlesex County
Old Saybrook - 06475 - Middlesex
County
Portland - 06480 - Middlesex
County
Rockfall - 06481 - Middlesex
County
Saybrook Point - Middlesex County
Westfield - Middlesex County
Westbrook - 06498 - Middlesex
County
Winthrop - Middlesex County
