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Massachusetts — United States

Welcome to the postal codes directory for Massachusetts, United States. As a prominent region in United States, Massachusetts contains 18 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.

18 Total Cities Indexed
MASSACHUSETTS Region Code
🔍 Showing 18 cities

Available Cities

18
Barre Boston Burlington Concord Dover Huntington Lexington Lincoln Manchester Norfolk Richmond Rochester Rutland Salem Springfield Warwick Wilmington Worcester

Frequently Asked Questions

Regional Divisions & Cities
Massachusetts encompasses diverse geographical zones and municipal areas. This platform indexes 18 major cities in Massachusetts, linking each city to its postal codes, neighborhoods, and regional phone area codes.
State-Level Telecom Infrastructure
Under the NANP system, Massachusetts 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 Massachusetts?
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.