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What county is ZIP code 75098 in?

Updated · Data: U.S. Census Bureau

ZIP code 75098 (Wylie, TX) is mostly in Collin County (86.6% of its land), with parts in Dallas County and Rockwall County.

Which counties is ZIP 75098 in?

CountyShare of land areaChart
Collin County86.6%
Dallas County10.4%
Rockwall County3.0%

About 67,513 people live in this ZIP code area. Because it crosses a county line, the county depends on the street: check your address.

Is ZIP 75098 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 75098 in?
ZIP code 75098 (Wylie, TX) is mostly in Collin County (86.6% of its land), with parts in Dallas County and Rockwall County.
Is ZIP 75098 in Dallas County?
Partly: about 10.4% of its land is in Dallas County.
What city is ZIP 75098?
The post office name is Wylie.

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