| Business | Phone |
| Port Allen Mayors' Office 750 N Jefferson Ave, Port Allen 70767 | (225) 346-5670 |
| Port Allen City Railroad Depot 213 S Alexander Ave, Port Allen 70767 | (225) 383-8760 |
| Maintenance Department 599 N 14th St, Port Allen 70767 | (225) 346-5680 |
| Port Allen Sewerage Treatment 123 S 14th St, Port Allen 70767 | (225) 346-5681 |