| Business | Phone |
| Caldwell Parish 911 Comms 6563 Us Highway 165, Columbia 71418 | (318) 649-6446 |
| Caldwell Parish Assessor's Ofc 201 Main St 3, Columbia 71418 | (318) 649-2636 |
| Caldwell Parish Narcotic Force 208 Main St, Columbia 71418 | (318) 649-9969 |
| La Department-Veterans Affairs 201 Main St, Columbia 71418 | (318) 649-2552 |
| Caldwell Registrar Of Voters 201 Main St, Columbia 71418 | (318) 649-7364 |
| Northeast La Workforce Ctr 404 Wall St 7, Columbia 71418 | (318) 649-5398 |