| Business | Phone |
| Smithfield Electric Dept 230 Hospital Rd, Smithfield 27577 | (919) 934-2110 |
| Smithfield Sewer Maintenance 230 Hospital Rd, Smithfield 27577 | (919) 934-2438 |
| Smithfield Town Electric Dept 230 Hospital Rd, Smithfield 27577 | (919) 934-2230 |
| Smithfield Town Garage 231 Hospital Rd, Smithfield 27577 | (919) 934-1811 |
| Smithfield Water Plant 515 N 2nd St, Smithfield 27577 | (919) 934-2661 |
| Town Of Smithfield 350 E Market St, Smithfield 27577 | (919) 934-2116 |
| Purchasing Office 230 Hospital Rd, Smithfield 27577 | (919) 934-7738 |