State / postal region / CT

Connecticut

ZIP codes: 429
Postal place names: 267
County associations: 15

Last successful directory check: 2026-11-10

Record last changed

Record last changed: 2026-11-08T06:21:31Z

A successful check does not mean every record changed. Unchanged records keep their previous modification date. Times use UTC.

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ZIP directory

Page 4 / 8

ZIP	City	County association	View all
06350	Hanover	Southeastern Connecticut	↗
06351	Jewett City	Southeastern Connecticut	↗
06353	Montville	Southeastern Connecticut	↗
06354	Moosup	Northeastern Connecticut	↗
06355	Mystic	Southeastern Connecticut	↗
06357	Niantic	Southeastern Connecticut	↗
06359	North Stonington	Southeastern Connecticut	↗
06360	Norwich	Southeastern Connecticut	↗
06365	Preston	Southeastern Connecticut	↗
06370	Oakdale	Southeastern Connecticut	↗
06371	Old Lyme	Lower Connecticut River Valley	↗
06372	Old Mystic	Southeastern Connecticut	↗
06373	Oneco	Northeastern Connecticut	↗
06374	Plainfield	Northeastern Connecticut	↗
06375	Quaker Hill	Southeastern Connecticut	↗
06376	South Lyme	Lower Connecticut River Valley	↗
06377	Sterling	Northeastern Connecticut	↗
06378	Stonington	Southeastern Connecticut	↗
06379	Pawcatuck	Southeastern Connecticut	↗
06380	Taftville	Southeastern Connecticut	↗
06382	Uncasville	Southeastern Connecticut	↗
06383	Versailles	Southeastern Connecticut	↗
06384	Voluntown	Northeastern Connecticut	↗
06385	Waterford	Southeastern Connecticut	↗
06387	Wauregan	Northeastern Connecticut	↗
06388	West Mystic	Southeastern Connecticut	↗
06389	Yantic	Southeastern Connecticut	↗
06401	Ansonia	Naugatuck Valley	↗
06403	Beacon Falls	Naugatuck Valley	↗
06404	Botsford	Western Connecticut	↗
06405	Branford	South Central Regional	↗
06408	Cheshire	Naugatuck Valley	↗
06409	Centerbrook	Lower Connecticut River Valley	↗
06410	Cheshire	Naugatuck Valley	↗
06411	Cheshire	Naugatuck Valley	↗
06412	Chester	Lower Connecticut River Valley	↗
06413	Clinton	Lower Connecticut River Valley	↗
06414	Cobalt	Lower Connecticut River Valley	↗
06415	Colchester	Southeastern Connecticut	↗
06416	Cromwell	Lower Connecticut River Valley	↗
06417	Deep River	Lower Connecticut River Valley	↗
06418	Derby	Naugatuck Valley	↗
06419	Killingworth	Lower Connecticut River Valley	↗
06420	Salem	Southeastern Connecticut	↗
06422	Durham	Lower Connecticut River Valley	↗
06423	East Haddam	Lower Connecticut River Valley	↗
06424	East Hampton	Lower Connecticut River Valley	↗
06426	Essex	Lower Connecticut River Valley	↗
06437	Guilford	South Central Regional	↗
06438	Haddam	Lower Connecticut River Valley	↗
06439	Hadlyme	Lower Connecticut River Valley	↗
06440	Hawleyville	Western Connecticut	↗
06441	Higganum	Lower Connecticut River Valley	↗
06442	Ivoryton	Lower Connecticut River Valley	↗
06443	Madison	South Central Regional	↗
06444	Marion	Capitol Region	↗
06447	Marlborough	Capitol Region	↗
06450	Meriden	South Central Regional	↗
06451	Meriden	South Central Regional	↗
06455	Middlefield	Lower Connecticut River Valley	↗

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ZIP codes organize mail delivery, not administrative boundaries. A code can have several city or county associations. Coordinates are approximate; verify delivery addresses with your carrier. Read the guide ↗