All zip codes in Lower Connecticut River Valley

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