Lower Connecticut River Valley County, Connecticut — ZIP directory
19 ZIP codes in Lower Connecticut River Valley County. Pick a ZIP for services, power context, permits, and FAQs written for homeowners.
- Old Lyme 06371 — Old Lyme
- Chester 06412 — Chester
- Clinton 06413 — Clinton
- Cromwell 06416 — Cromwell
- Deep River 06417 — Deep River
- Killingworth 06419 — Killingworth
- Durham 06422 — Durham
- East Haddam 06423 — East Haddam
- East Hampton 06424 — East Hampton
- Essex 06426 — Essex
- Haddam 06438 — Haddam
- Higganum 06441 — Higganum
- Ivoryton 06442 — Ivoryton
- Middlefield 06455 — Middlefield
- Middletown 06457 — Middletown
- Moodus 06469 — Moodus
- Old Saybrook 06475 — Old Saybrook
- Portland 06480 — Portland
- Westbrook 06498 — Westbrook