U.S. postal lookup

U.S. ZIP Codes Database 2026

Search by ZIP code, city, county, or state and find clear postal details with maps, time zones, and area code data.

42,735 verified records
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Pennsylvania ZIP Codes

Complete postal directory, details, and geographic map for the State of Pennsylvania.

State ZIP Code City County Area Codes
PA 16420 Grand Valley Warren County 582, 814
PA 16421 Harborcreek Erie County 582, 814
PA 16422 Harmonsburg Crawford County 582, 814
PA 16423 Lake City Erie County 582, 814
PA 16424 Linesville Crawford County 440, 582, 724, 814, 878
PA 16426 Mc Kean Erie County 582, 814
PA 16427 Mill Village Erie County 582, 814
PA 16428 North East Erie County 582, 716, 814
PA 16430 North Springfield Erie County 582, 814
PA 16432 Riceville Crawford County 814
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About U.S. ZIP Codes

ZIP codes are a United States Postal Service system introduced in 1963 to make mail routing more accurate and efficient. The standard format uses five digits, while ZIP+4 adds four more digits for a more precise delivery segment.

ZIP codes cover the United States, its territories, military mail routes, and other USPS delivery points. This directory organizes that data for practical lookup by ZIP code, city, county, and state.