29 ZIP Codes
| Zip Code | City | Population ↓ |
|---|---|---|
| 75035 | Frisco | 89,682 |
| 75002 | Allen | 75,057 |
| 75071 | Mckinney | 72,964 |
| 75098 | Wylie | 69,325 |
| 75070 | Mckinney | 64,078 |
| 75072 | Mckinney | 55,087 |
| 75287 | Dallas | 53,959 |
| 75074 | Plano | 53,831 |
| 75034 | Frisco | 53,818 |
| 75025 | Plano | 53,202 |
| 75078 | Prosper | 53,011 |
| 75013 | Allen | 49,796 |
| 75023 | Plano | 49,229 |
| 75093 | Plano | 47,954 |
| 75024 | Plano | 45,652 |
| 75069 | Mckinney | 40,032 |
| 75075 | Plano | 38,135 |
| 75009 | Celina | 34,260 |
| 75407 | Princeton | 34,171 |
| 75082 | Richardson | 29,618 |
| 75252 | Dallas | 28,618 |
| 75409 | Anna | 27,131 |
| 75094 | Plano | 24,200 |
| 75454 | Melissa | 22,990 |
| 75442 | Farmersville | 10,805 |
| 75173 | Nevada | 10,664 |
| 75166 | Lavon | 6,989 |
| 75424 | Blue Ridge | 3,790 |
| 75164 | Josephine | 885 |
The data shown reflect ZCTAs from the US Census. As of 2025, there are 29 ZCTAs in Collin County, Texas (US Census).