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

Texas ZIP Codes

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

State ZIP Code City County Area Codes
TX 79189 Amarillo Potter County 806
TX 79201 Childress Childress County 580, 806, 940
TX 79220 Afton Dickens County 806
TX 79221 Aiken Floyd County 806
TX 79223 Cee Vee Cottle County 806, 940
TX 79225 Chillicothe Hardeman County 580, 940
TX 79226 Clarendon Donley County 806
TX 79227 Crowell Foard County 806, 940
TX 79229 Dickens Dickens County 806
TX 79230 Dodson Collingsworth County 580, 806, 940
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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.