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What county is ZIP code 79503 in?

Updated · Data: U.S. Census Bureau

ZIP code 79503 (Avoca, TX) is mostly in Jones County (87.0% of its land), with parts in Haskell County.

Which counties is ZIP 79503 in?

CountyShare of land areaChart
Jones County87.0%
Haskell County13.0%

About 187 people live in this ZIP code area. Because it crosses a county line, the county depends on the street: check your address.

Is ZIP 79503 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 79503 in?
ZIP code 79503 (Avoca, TX) is mostly in Jones County (87.0% of its land), with parts in Haskell County.
Is ZIP 79503 in Haskell County?
Partly: about 13.0% of its land is in Haskell County.
What city is ZIP 79503?
The post office name is Avoca.

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