| Business | Phone |
| Correctional Service 527 E 5th St, Waterloo 50703 | (319) 291-2091 |
| Department Of Corrections 314 E 6th St, Waterloo 50703 | (319) 236-9626 |
| Department Of Corrections 525 E 5th St, Waterloo 50703 | (319) 236-9626 |
| Dept Of Correctional Svc 312 E 6th St, Waterloo 50703 | (319) 234-1745 |