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What county is ZIP code 78071 in?

Updated · Data: U.S. Census Bureau

ZIP code 78071 (Three Rivers, TX) is mostly in Live Oak County (89.2% of its land), with parts in McMullen County.

Which counties is ZIP 78071 in?

CountyShare of land areaChart
Live Oak County89.2%
McMullen County10.8%

About 3,478 people live in this ZIP code area. Because it crosses a county line, the county depends on the street: check your address.

Is ZIP 78071 a Census ZIP code area?

Yes. A ZIP Code Tabulation Area (ZCTA) is the Census version of a ZIP code; its edges can differ from USPS delivery routes (ZIP code vs ZCTA). Look up another ZIP on the ZIP code to county lookup.

Sources: Census 2020 ZCTA-county relationship file; Gazetteer 2024; GeoNames (CC BY 4.0, post office name); ACS 2019-2023 5-year. Data as of November 1, 2026. Not affiliated with USPS or any government agency.

FAQ

Frequently asked questions

What county is ZIP code 78071 in?
ZIP code 78071 (Three Rivers, TX) is mostly in Live Oak County (89.2% of its land), with parts in McMullen County.
Is ZIP 78071 in McMullen County?
Partly: about 10.8% of its land is in McMullen County.
What city is ZIP 78071?
The post office name is Three Rivers.

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