| L.W. Schatz Demonstration Tree Farm | | | |
| Language Lab | | | |
| Latinx Center for Academic Excellence (now named El Centro Académico Cultural) | 2nd floor, Nelson Hall East 205 | 826-4590 | |
| Leadership Studies | SBS 211 | 826-3731 | |
| Learning Center | Library 101 | 826-5217 | 826-5397 |
| Library | Library 108 | 826-3441 | 826-3440 |
| Library - ID Services | Library 101 | 826-3431 | |
| Library: Administration | Library 108 | 826-3441 | |
| Library: Book Renewals | Library 110 | 826-3191 | |
| Library: Hours | Library 112 | 826-3416 | |
| Library: Interlibrary Loan | Library 109 | 826-4889 | |
| Library: Periodicals/Serials | Library 111G | 826-3413 | 826-3440 |
| Library: Reserves | Library 110 | 826-4401 | |
| Library: Special Collections & Archives | Library Third Floor, Room 303 | 826-3419 | |
| Library: Textbooks on Reserve | Library 110 | 826-4070 | |
| Linguistics | Telonicher House 103 | 826-3779 | |
| Lost & Found | Student & Business Services 101 | 826-5555 | |
| Lumberjack Newspaper | Gist Hall 227 | 826-3271 | 826-5921 |
| Lumberjack Newspaper: Advertising | Gist Hall 227 | 826-3259 | 826-5921 |
