| Business | Phone |
| Newnan Building Dept 25 Jefferson St, Newnan 30263 | (770) 253-2682 |
| Newnan Building Dept 25 Lagrange St, Newnan 30263 | (770) 254-2362 |
| Newnan City Finance 25 Lagrange St, Newnan 30263 | (770) 254-2351 |
| Newnan City Offices 25 Jefferson St, Newnan 30263 | (678) 423-4130 |
| Newnan Mayor 25 Lagrange St, Newnan 30263 | (770) 254-2358 |
| Newnan Planning Dept 25 Lagrange St, Newnan 30263 | (770) 253-2682 |
| Newnan Traffic Unit 5 Lee St, Newnan 30263 | (770) 252-1783 |