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What county is ZIP code 79022 in?

Updated · Data: U.S. Census Bureau

ZIP code 79022 (Dalhart, TX) is mostly in Dallam County (57.7% of its land), with parts in Hartley County.

Which counties is ZIP 79022 in?

CountyShare of land areaChart
Dallam County57.7%
Hartley County42.3%

About 10,764 people live in this ZIP code area. Because it crosses a county line, the county depends on the street: check your address.

Is ZIP 79022 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 79022 in?
ZIP code 79022 (Dalhart, TX) is mostly in Dallam County (57.7% of its land), with parts in Hartley County.
Is ZIP 79022 in Hartley County?
Partly: about 42.3% of its land is in Hartley County.
What city is ZIP 79022?
The post office name is Dalhart.

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