ZIP CodesZIP codes in Collin County, Texas
Collin County, Texas has 32 ZIP codes in this list, from 75002 to 75485. They cover 17 places, among them Plano, Frisco, Mckinney and Allen.
Nothing in this county matches.
The ZIP code areas of Collin County add up to about 834 square miles of land (2,160 sq km) as the Census Bureau draws them. The largest is 75442 (Farmersville), with 108 square miles.
Places with more than one code here: Plano (9 codes), Frisco (4 codes), Mckinney (4 codes).
Using these codes
- In an address, the ZIP code comes last, after the city and the two-letter state: Allen, TX 75002.
- Tap a ZIP code to open it in the look-up, with a copy button for the address line.
- A code can cross a county line, and one town can have several codes. The table shows the main place of each code.
- "No area" means the Census Bureau draws no area for that code. Such codes are usually for post office boxes or a single building.
Places and counties: GeoNames. Areas: U.S. Census Bureau, 2024 ZIP Code Tabulation Areas. Checked in November 2026. This site is not connected with the United States Postal Service; for mailing, confirm the address with USPS.