Fannin County, Texas Zip Codes
| Bonham | 14,473 |
| Leonard | 4,979 |
| Honey Grove | 3,594 |
| Trenton | 2,775 |
| Savoy | 2,019 |
| Ravenna | 1,195 |
| Ivanhoe | 1,187 |
| Ector | 1,123 |
| Ladonia | 1,082 |
| Dodd City | 1,046 |
| Telephone | 919 |
| Windom | 342 |
| Bailey | 187 |
| Randolph | 19 |
- Population is the most recent figure from the U.S. Census Bureau's 2022 American Community Survey (ACS) 5-Year Estimates.