Service Territory
Fannin County
| Incorporated Cities served by Oncor in Fannin County: | Dispatch Center |
| Bonham | Texoma - (TXA) |
| Dodd City | Texoma - (TXA) |
| Ector | Texoma - (TXA) |
| Honey Grove | Paris - (PRS) |
| Ladonia | Paris - (PRS) |
| Pecan Gap | Paris - (PRS) |
| Ravenna | Texoma - (TXA) |
| Savoy | Texoma - (TXA) |
| Windom | Texoma - (TXA) |
For a list of zip codes served by Oncor, click here.