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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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Gonzales County ZIP Codes

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

County State ZIP Code City Area Codes
Gonzales County TX 78122 Leesville 830
Gonzales County TX 78140 Nixon 830
Gonzales County TX 78159 Smiley 361, 830
Gonzales County TX 78604 Belmont 830
Gonzales County TX 78614 Cost 830
Gonzales County TX 78629 Gonzales 361, 830
Gonzales County TX 78632 Harwood 830
Gonzales County TX 78658 Ottine 830
Gonzales County TX 78677 Wrightsboro 830
Gonzales County TX 78959 Waelder 361, 512, 737, 830

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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.