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What county is ZIP code 75089 in?

Updated · Data: U.S. Census Bureau

ZIP code 75089 (Rowlett, TX) is mostly in Dallas County (96.3% of its land), with parts in Rockwall County.

Which counties is ZIP 75089 in?

CountyShare of land areaChart
Dallas County96.3%
Rockwall County3.7%

About 35,400 people live in this ZIP code area. Because it crosses a county line, the county depends on the street: check your address.

Is ZIP 75089 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 75089 in?
ZIP code 75089 (Rowlett, TX) is mostly in Dallas County (96.3% of its land), with parts in Rockwall County.
Is ZIP 75089 in Rockwall County?
Partly: about 3.7% of its land is in Rockwall County.
What city is ZIP 75089?
The post office name is Rowlett.

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