| Business | Phone |
| Emergency Services Office Courthouse, Harrisburg 72432 | (870) 578-4455 |
| Judicial Dept Market St, Harrisburg 72432 | (870) 578-4440 |
| Poinsett County Circuit Clerk 401 Market St, Harrisburg 72432 | (870) 578-4420 |
| Poinsett County Co-Op Ext Svc 302 N Main St, Harrisburg 72432 | (870) 578-4490 |
| Poinsett County Juvenile Svc 110 E St, Harrisburg 72432 | (870) 578-4450 |
| Poinsett County Landfill 704 N East St, Harrisburg 72432 | (870) 578-4472 |
| Poinsett County Shop 704 N East St, Harrisburg 72432 | (870) 578-4470 |
| Poinsett County Veterans Svc 405 Court St, Harrisburg 72432 | (870) 578-4495 |