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What county is ZIP code 75051 in?

Updated · Data: U.S. Census Bureau

ZIP code 75051 (Grand Prairie, TX) is mostly in Dallas County (87.0% of its land), with parts in Tarrant County.

Which counties is ZIP 75051 in?

CountyShare of land areaChart
Dallas County87.0%
Tarrant County13.0%

About 40,263 people live in this ZIP code area. Because it crosses a county line, the county depends on the street: check your address.

Is ZIP 75051 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 75051 in?
ZIP code 75051 (Grand Prairie, TX) is mostly in Dallas County (87.0% of its land), with parts in Tarrant County.
Is ZIP 75051 in Tarrant County?
Partly: about 13.0% of its land is in Tarrant County.
What city is ZIP 75051?
The post office name is Grand Prairie.

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