| Business | Phone |
| Fire Olla Volunteer Highway 165, Olla 71465 | (318) 495-3919 |
| Summerville Fire Dept 2849 Highway 503, Olla 71465 | (318) 992-0168 |
| Summerville-Rosefield Vol Fire 419 Highway 503, Olla 71465 | (318) 992-0144 |
| Olla Town Hall 1907 Louisiana St, Olla 71465 | (318) 495-5151 |