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 75035 Frisco Collin County 214, 469, 945, 972
TX 75036 Frisco Denton County 214, 469, 940, 945, 972
TX 75037 Irving Dallas County 214
TX 75038 Irving Dallas County 214, 469, 682, 817, 945, 972
TX 75039 Irving Dallas County 214, 469, 945, 972
TX 75040 Garland Dallas County 214, 469, 945, 972
TX 75041 Garland Dallas County 214, 469, 945, 972
TX 75042 Garland Dallas County 214, 469, 945, 972
TX 75043 Garland Dallas County 214, 469, 945, 972
TX 75044 Garland Dallas County 214, 469, 945, 972
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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.