Connecticut ZIP Codes
Looking for the zip code of Connecticut USA? Browse every ZIP code in Connecticut by city below — our growing collection of Connecticut city pages including Hartford, New Haven. Pick a city to see its complete ZIP code list, or use our free tools to look up any address.
Cities in Connecticut with ZIP Code Pages
Loading cities…
About Connecticut ZIP Codes
Connecticut ZIP codes cover every corner of the state — from major metro areas to small towns. Each city page lists every ZIP code in that city, sorted numerically, with county information and answers to common questions. If you are unsure which ZIP code belongs to your street address, our ZIP Code by Address tool finds it instantly.
Frequently Asked Questions
How do I find the ZIP code for a city in Connecticut?
Pick the city from the list above to see every ZIP code in that city. For a street address, use our ZIP Code by Address tool.
How many ZIP codes does Connecticut have?
Connecticut has hundreds of ZIP codes across its cities and towns. The cities listed above show 64 ZIP codes in total — and the list keeps growing.
What is the ZIP+4 code for my Connecticut address?
Use our free ZIP+4 Lookup tool — enter your Connecticut street address to get the full 9-digit code.
Related ZIP Code Tools
Find the ZIP code for any Connecticut street address.
See which city and county any ZIP code belongs to.
Get the full 9-digit ZIP code for precise delivery.
Track packages sent to or from Connecticut.