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Pennsylvania — United States

Welcome to the postal codes directory for Pennsylvania, United States. As a prominent region in United States, Pennsylvania contains 31 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.

31 Total Cities Indexed
PENNSYLVANIA Region Code
🔍 Showing 31 cities

Available Cities

31
Allentown Austin Bangor Bridgeport Burlington Columbia Columbus Concord Dallas Denver Dover Fayetteville Frederick Greensboro Greenville Houston Jackson Juneau Knoxville Madison Manchester Montgomery Morgantown Philadelphia Pittsburgh Portland Reno Rochester Sacramento Springfield Worcester

Frequently Asked Questions

Regional Divisions & Cities
Pennsylvania encompasses diverse geographical zones and municipal areas. This platform indexes 31 major cities in Pennsylvania, linking each city to its postal codes, neighborhoods, and regional phone area codes.
State-Level Telecom Infrastructure
Under the NANP system, Pennsylvania 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 Pennsylvania?
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.