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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Texas ZIP Codes

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

State ZIP Code City County Area Codes
TX 77565 Kemah Galveston County 281, 346, 713, 832
TX 77566 Lake Jackson Brazoria County 979
TX 77568 La Marque Galveston County 281, 346, 409, 713, 832
TX 77571 La Porte Harris County 281, 346, 713, 832
TX 77572 La Porte Harris County 713
TX 77573 League City Galveston County 281, 346, 713, 832
TX 77574 League City Galveston County 713
TX 77575 Liberty Liberty County 281, 346, 409, 713, 832, 936
TX 77577 Liverpool Brazoria County 281, 346, 713, 832, 979
TX 77578 Manvel Brazoria County 281, 346, 713, 832
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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.