All LIS telephone numbers have the same area code and prefix: 618-650-
| Name | Broad Subject Area(s) | Narrower Subject Responsibilities | | Phone | Office |
| Business and Engineering |
| 3282 | LB 2100 | ||
| Social Sciences |
| 2423 | LB 2101 | ||
| Fine Arts |
| 2695 | LB 1036 | ||
| Julie Hansen | Humanities |
| 2616 | LB 1053 | |
| Lydia Jackson | Library Instruction |
| 2604 | LB 1052 | |
| Charlotte Johnson | General Reference |
| 3830 | LB 1037 | |
| Steve Kerber | University Archives and Special Collections |
| 2665 | LB 0013 | |
| Juliet Kerico | Science and Health Sciences |
| 3828 | LB 3015 | |
| Barbara Levergood | U.S. Documents, Maps |
| 2632 | LB | |
| Matthew Paris | Education |
| 2906 | LB 3101 |
