Note: All area codes are 314. From a University telephone, University numbers may be dialed by omitting the first two digits (e.g., 2-5000, 5-5000).
| Medical Campus Main Switchboard | 362-5000 |
| Danforth Campus Main Switchboard | 935-5000 |
| American Messenger | 888-247-7890 |
| Athletic Facilities Information Desk (Danforth Campus) | 935-4619 |
| Barnes-Jewish Hospital (North and South) | 747-3000 |
| Bookstore | 362-3240 |
| Computer Support | 362-7798 |
| Curriculum | 362-6838 |
| Deans | |
| Dean Awad/Medical Student Education | 362-7122 |
| Dean Chung/Student Research | 362-6857 |
| Dean Diemer/Career Counseling | 362-6251 |
| Dean Monolo/Registrar | 362-6848 |
| Dean Moscoso/Student Affairs | 362-6843 |
| Dean O’Neal/Financial Aid | 362-6845 |
| Dean Ratts/Admissions Office | 362-6844 |
| Dean Ross/Diversity Programs | 362-6854 |
| Dean Stevenson/Diversity 362-6854 | 362-6854 |
| Dean Whelan/Education | 362-7800 |
| Libraries | |
| Olin (Danforth Campus) | 935-5420 |
| Bernard Becker (Medical Campus) | 362-7080 |
| Olin Hall | 362-3230 |
| Room 100 | 362-6848 |
| St. Louis Children’s Hospital | 454-6000 |
| Security | 362-HELP |
| Security Escort | 362-HELP |
| Shuttle Bus Information (Danforth Campus) | 935-4140 |
| Student Health Services (Dr. Winters) | 362-3523 |
| Student Programs (Andy Wiegert) | 362-8541 |
| Transportation Services (Medical Campus) | 362-6824 |