Contact Us - email the library with a question or comment
| Branches | Telephone Numbers |
| Kathryn Linnemann | (636) 723-0232 |
| Middendorf-Kredell | (636) 272-4999 |
| Spencer Road | (636) 447-2320 |
| Corporate Parkway | (636) 327-4010 |
| Deer Run | (636) 980-1332 |
| Kisker Road | (636) 447-READ (7323) |
| McClay | (636) 441-7577 |
| Library Express at Discovery Village | (636) 332-6476 |
| Library Express at WingHaven | (636) 561-3385 |
| Boone's Trail | (636) 398-6200 |
| North County | (636) 753-3070 |
| South County | (636) 228-4855 |
| Administrative Office | (636) 441-2300 |