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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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Galveston County ZIP Codes

Browse all ZIP Codes, cities, and associated area codes registered in Galveston County.

County State ZIP Code City Area Codes
Galveston County TX 77554 Galveston 409
Galveston County TX 77555 Galveston 409
Galveston County TX 77563 Hitchcock 281, 346, 409, 713, 832
Galveston County TX 77565 Kemah 281, 346, 713, 832
Galveston County TX 77568 La Marque 281, 346, 409, 713, 832
Galveston County TX 77573 League City 281, 346, 713, 832
Galveston County TX 77574 League City 713
Galveston County TX 77590 Texas City 281, 346, 409, 713, 832
Galveston County TX 77591 Texas City 281, 346, 409, 713, 832
Galveston County TX 77592 Texas City 409
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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.