| ZIP | County | State | Area Code | Time Zone |
| 75023 | Collin | TX | 972 | CST |
| 75024 | Collin | TX | 972 | CST |
| 75025 | Collin | TX | 972 | CST |
| 75026 | Collin | TX | 972 | CST |
| 75074 | Collin | TX | 972 | CST |
| 75075 | Collin | TX | 972 | CST |
| 75086 | Collin | TX | 972 | CST |
| 75093 | Collin | TX | 972 | CST |
| 75094 | Collin | TX | 972 | CST |