| Department | Telephone | Facsimile | |
| Administrative Services | (860) 548-2400 | (860) 548-7887 | |
| Marketing Conference Facilites | (860) 548-5321 | ||
| Office Supplies | (860) 548-5321 | ||
| Room Bookings | (860) 548-5321 | ||
| Alumni Office | (518) 276-6205 | (518) 276-4081 | |
| Bookstore | (860) 548-2419 | (860) 548-7887 | |
| Cafeteria | (860) 548-5325 | ||
| Cole Library | (860) 548-2490 | (860) 278-0180 | |
| Information Services Desk | (860) 548-2490 | ||
| Interlibrary Loan | (860) 548-7874 | ||
| Consortium Cataloger | (860) 548-2463 | ||
| Connecticut Quality Council | (800) 270-7637 | (860) 548-7817 | |
| Department of Engineering & Science | (800) 290-7637
(860) 548-2450 |
(860) 547-0868 | |
| Computer & Information Science | (800) 290-7637 | ||
| Engineering | (800) 290-7637 | ||
| Distance Education & Multimedia | (860) 548-2408 | (860) 548-7906 | |
| Instructional Technology Bookings | (860) 548-2408 | ||
| Distance Education Facilities | (860) 548-2408 | ||
| Enrollment Management | (860) 548-2480 | (860) 548-7887 | |
| Financial Aid | (860) 548-2406 | ||
| Financial Services & Human Resources | (860) 548-2410 | (860) 724-7990 | |
| Financial Services | (860) 548-7945 | ||
| Human Resources | (860) 548-2412 | ||
| Student Accounts | (860) 548-2413 | ||
| Accounts Receivable | (860) 548-2413 | ||
| Accounts Payable | (860) 548-7885 | ||
| Payroll and Benefits | (860) 548-2416 | ||
| Groton Site | (860) 449-8157
(860) 548-2409 |
(860) 449-9575 | |
| Lally School of Management & Technology | (800) 523-6468
(860) 548-2430 |
(860) 547-0866 | |
| WACRA | (860) 548-2438 | ||
| Center for Global Studies | (860) 548-7845 | ||
| Executive Masters Program | (860) 548-7847 | ||
| Office of Admissions | (860) 548-2420 | (860) 548-7823 | |
| Career Services | (860) 548-2421 | ||
| Office of Communications | (860) 548-2469 | (860) 548-7893 | |
| Advertising & Publications | (860) 548-2469 | ||
| Public Relations & Media Relations | (860) 548-7894 | ||
| Office of the Registrar | (860) 548-2425 | (860) 548-7823 | |
| Operations & Facilities | (860) 548-5392 | ||
| Professional Development Programs | (800) 306-7778 | (860) 548-7999 | |
| Security | (860) 548-2448 | ||
| Technical & Information Services | (860) 548-5310 | (860) 548-7907 | |
| Help Desk | (860) 548-5311 | ||
| Groton Computer Lab | (860) 548-2407 | ||
| WebCT Help Desk | (860) 548-5311 | ||
| Vice President and Dean's Office | (860) 548-2404 | (860) 548-2427 |