| Business | Phone |
| Caywood's Youth Ctr 221 Bradford Ln, Waterloo 62298 | (618) 939-5150 |
| Gibault Catholic High School 501 Columbia Ave, Waterloo 62298 | (618) 939-3883 |
| Immanuel Lutheran School 110 Hoener Ave, Waterloo 62298 | (618) 939-7010 |
| W J Zahnow Elementary School 301 Hamacher St, Waterloo 62298 | (618) 939-3458 |
| Waterloo Comm Unit Schl Dist 5 219 Park St, Waterloo 62298 | (618) 939-3453 |
| Waterloo High School 200 Bellefontaine Dr, Waterloo 62298 | (618) 939-3455 |
| Table Of Grace Preschool 400 Park St, Waterloo 62298 | (618) 939-1300 |
| Rogers Elementary School 200 Rogers St, Waterloo 62298 | (618) 939-3454 |
| S S Peter & Paul Elementary 217 W 3rd St, Waterloo 62298 | (618) 939-7217 |
| Regional Office Of Education 107 E Mill St, Waterloo 62298 | (618) 939-5650 |