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.

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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 15053 Joffre Washington County 724, 878
PA 15054 Langeloth Washington County 724, 878
PA 15055 Lawrence Washington County 412, 724, 878
PA 15056 Leetsdale Allegheny County 412, 724, 878
PA 15057 Mc Donald Allegheny County 412, 724, 878
PA 15059 Midland Beaver County 234, 304, 330, 681, 724, 878
PA 15060 Midway Washington County 724, 878
PA 15061 Monaca Beaver County 724, 878
PA 15062 Monessen Westmoreland County 724, 878
PA 15063 Monongahela Washington County 412, 724, 878
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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.