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What county is ZIP code 79423 in?

Updated · Data: U.S. Census Bureau

ZIP code 79423 (Lubbock, TX) is mostly in Lubbock County (78.9% of its land), with parts in Lynn County.

Which counties is ZIP 79423 in?

CountyShare of land areaChart
Lubbock County78.9%
Lynn County21.1%

About 44,357 people live in this ZIP code area. Because it crosses a county line, the county depends on the street: check your address.

Is ZIP 79423 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 79423 in?
ZIP code 79423 (Lubbock, TX) is mostly in Lubbock County (78.9% of its land), with parts in Lynn County.
Is ZIP 79423 in Lynn County?
Partly: about 21.1% of its land is in Lynn County.
What city is ZIP 79423?
The post office name is Lubbock.

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