| Business | Phone |
| Information Systems 715 Mulberry St, Waterloo 50703 | (319) 291-4598 |
| Leisure Services Dept 1101 Campbell Ave, Waterloo 50701 | (319) 291-4491 |
| Building Maintenance 715 Mulberry St, Waterloo 50703 | (319) 291-4399 |
| Evansdale Fire Emergency 316 E 5th St, Waterloo 50703 | (319) 000-1111 |
| Waterloo Central Garage 1314 Black Hawk St, Waterloo 50702 | (319) 291-4445 |
| Waterloo City Traffic Light 2659 Wyth Rd, Waterloo 50703 | (319) 233-9754 |
| Waterloo City Traffic Light Highway 57 & Airline Hwy Eamp;, Waterloo 50703 | (319) 233-9754 |
| Waterloo Cultural Arts Ofcs 225 Commercial St, Waterloo 50701 | (319) 291-4490 |
| Waterloo Engineering Dept 715 Mulberry St, Waterloo 50703 | (319) 291-4312 |
| Waterloo Human Rights Comm 620 Mulberry St, Waterloo 50703 | (319) 291-4441 |
| Waterloo Investigations 715 Mulberry St, Waterloo 50703 | (319) 292-1597 |
| Waterloo Memorial Hall Waterloo 50703 | (319) 291-4271 |
| Waterloo Personnel Dept 620 Mulberry St, Waterloo 50703 | (319) 291-4303 |
| Waterloo Public Access Studio 715 Mulberry St, Waterloo 50703 | (319) 291-4568 |
| Waterloo Sewer Dept 425 Franklin St, Waterloo 50703 | (319) 291-4446 |
| Waterloo Sewer Systems Adm 3505 Easton Ave, Waterloo 50702 | (319) 291-4553 |
| Waterloo Parking Facility 408 E 6th St, Waterloo 50703 | (319) 291-4439 |
| Young Arena Information Line 125 Commercial St, Waterloo 50701 | (319) 291-4300 |