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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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Harris County ZIP Codes

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

County State ZIP Code City Area Codes
Harris County TX 77094 Houston 281, 346, 713, 832
Harris County TX 77095 Houston 281, 346, 713, 832
Harris County TX 77096 Houston 281, 346, 713, 832
Harris County TX 77097 Houston 713
Harris County TX 77098 Houston 281, 346, 713, 832
Harris County TX 77099 Houston 281, 346, 713, 832
Harris County TX 77201 Houston 281, 346, 713, 832
Harris County TX 77202 Houston 713
Harris County TX 77203 Houston 713
Harris County TX 77204 Houston 281, 346, 713, 832
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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.