| Business | Phone |
| Ouachita Parish Sheriff's Ofc 400 Saint John St, Monroe 71201 | (318) 329-1200 |
| Sheriff's Office-Civil Div 300 Saint John St 101, Monroe 71201 | (318) 329-1270 |
| Sheriff's Office-Investigation 400 Saint John St 109, Monroe 71201 | (318) 329-1216 |
| Sheriff's Office-Records Div 400 Saint John St, Monroe 71201 | (318) 329-1236 |
| Sheriff's Office-Tax Collector 300 Saint John St, Monroe 71201 | (318) 329-1280 |