All LIS telephone numbers have the same area code and prefix: 618-650-
| Name | Subject Area(s) | | Phone | Office |
| Business and Engineering | 3282 | LB 2100 | ||
| Linda Carlisle | Social Sciences | 2423 | LB 2101 | |
| Gary Denue | U.S. Documents, Maps, Microforms, and Media | 2632 | LB 3018 | |
| Fine Arts | 2695 | LB 1036 | ||
| Julie Hansen | Humanities | 2616 | LB 1053 | |
| Diane Hudson | Science and Health Sciences | 3129 | LB 3015 | |
| Lydia Jackson | Instruction | 2604 | LB 1052 | |
| Steve Kerber | University Archives and Special Collections | 2665 | LB 0013 | |
| Juliet Kerico | Science and Health Sciences | 3828 | LB ROOM | |
| Matthew Paris | Education | 2906 | LB 3017 |
