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 18051 Fogelsville Lehigh County 484, 610, 835
PA 18052 Whitehall Lehigh County 484, 610, 835
PA 18053 Germansville Lehigh County 272, 484, 570, 610, 835
PA 18054 Green Lane Montgomery County 215, 267, 445, 484, 610, 835
PA 18055 Hellertown Northampton County 484, 610, 835
PA 18056 Hereford Berks County 215, 267, 445
PA 18058 Kunkletown Monroe County 272, 484, 570, 610, 835
PA 18059 Laurys Station Lehigh County 484, 610, 835
PA 18060 Limeport Lehigh County 484
PA 18062 Macungie Lehigh County 215, 267, 445, 484, 610, 835
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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.