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Connecticut — United States

Welcome to the postal codes directory for Connecticut, United States. As a prominent region in United States, Connecticut contains 10 major cities indexed. Our platform provides comprehensive zip codes, neighborhood directories, and simulated local phone number generation rules for developer form testing and compliance verification.

10 Total Cities Indexed
CONNECTICUT Region Code
🔍 Showing 10 cities

Available Cities

10
Bridgeport Burlington Columbia Hartford Madison Manchester New Haven Norfolk Portland Salem

Frequently Asked Questions

Regional Divisions & Cities
Connecticut encompasses diverse geographical zones and municipal areas. This platform indexes 10 major cities in Connecticut, linking each city to its postal codes, neighborhoods, and regional phone area codes.
State-Level Telecom Infrastructure
Under the NANP system, Connecticut is allocated several distinct area codes covering specific counties and metropolitan districts. Select a city to explore local dialing overlays and to generate valid mock phone patterns.
How to look up the exact postal code for a specific district or street under Connecticut?
You can select the corresponding city from the list above. On the city page, we provide a complete mapping table of districts, streets/neighborhoods, and their exact postal codes. You can also use the search bar at the top to instantly locate a street or neighborhood.