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 78886 Yancey Medina County 830
TX 78931 Bleiblerville Austin County 979
TX 78932 Carmine Fayette County 979
TX 78933 Cat Spring Austin County 979
TX 78934 Columbus Colorado County 979
TX 78935 Alleyton Colorado County 979
TX 78938 Ellinger Fayette County 979
TX 78940 Fayetteville Fayette County 979
TX 78941 Flatonia Fayette County 361, 512, 737, 830, 979
TX 78942 Giddings Lee County 512, 737, 979
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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.