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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State directory

Pennsylvania ZIP Codes

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

State ZIP Code City County Area Codes
PA 17345 Manchester York County 223, 717
PA 17347 Mount Wolf York County 223, 717
PA 17349 New Freedom York County 223, 410, 443, 667, 717
PA 17350 New Oxford Adams County 223, 717
PA 17352 New Park York County 223, 410, 443, 667, 717
PA 17353 Orrtanna Adams County 223, 717
PA 17354 Porters Sideling York County 717
PA 17355 Railroad York County 223, 717
PA 17356 Red Lion York County 223, 717
PA 17358 Rossville York County 717
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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.