| Business | Phone |
| Pearl River 4-H Office 401 W Lamar St, Poplarville 39470 | (601) 795-4352 |
| Pearl River Cnty Circuit Rcrds 200 S Main St, Poplarville 39470 | (601) 795-3002 |
| Pearl River Cnty Road & Bridge 8953 Highway 11, Poplarville 39470 | (601) 795-8038 |
| Pearl River County Home Ec 417 Highway 11 N, Poplarville 39470 | (601) 798-9358 |
| Pearl River County Justice Crt 204 S Julia St, Poplarville 39470 | (601) 798-7652 |
| Pearl River County Maintenance 4477 Highway 53, Poplarville 39470 | (601) 795-8828 |
| Pearl River County Road Mntnc 8953 Highway 11, Poplarville 39470 | (601) 798-7171 |
| Pearl River Home Economist 417 Highway 11 N, Poplarville 39470 | (601) 795-4352 |
| Pearl River Purchasing 200 Courthouse Sq, Poplarville 39470 | (601) 799-2539 |
| Pearl River Supervisors Office 200 Courthouse Sq, Poplarville 39470 | (601) 795-4539 |
| Pearl River Veterans Svc 401 W Lamar St, Poplarville 39470 | (601) 795-4684 |
| Chancery Clerk's Office 200 S Main St, Poplarville 39470 | (601) 798-1339 |