For departments not listed or for specific department office hours, call the main reception desk at 815-802-8100, TDD/TTY 815-802-8106.
| Academic advisement Riverfront Campus/Student Services |
815-802-8500 |
| Academic advisement North Extension Center |
815-802-8960 |
| Academic Skills Center |
815-802-8450 |
| Accounting Office (administration) |
815-802-8140 |
| Accounts payable |
815-802-8145 |
| Accounts receivable |
815-802-8140 |
| Admissions and Registration |
815-802-8520 |
| Adult and Community Education |
815-802-8300 |
| Alumni Association |
815-802-8251 |
| Assessment testing |
815-802-8530 |
| Athletics/Activities Building |
815-802-8600 |
| Bookstore (Hammes Bookstore) |
815-802-8590 |
| Business Division (academic) |
815-802-8650 |
| Career Pathways for high school students |
815-802-8858 |
| Career Planning Services |
815-802-8575 |
| Continuing Education and Career Services |
815-802-8200 |
| Disability Services |
815-802-8632 |
| Driver Improvement Program |
815-802-8206 |
| English as a Second Language |
815-929-9158 |
| Financial Aid |
815-802-8550 |
| Financial Aid (Workforce Investment Act) |
815-802-8960 |
| Fitness Center |
815-802-8610 |
| Arena Food Service, Inc. |
815-802-8433 |
| Foundation |
815-802-8950 |
| GED testing |
815-802-8530 |
| GED preparation |
815-802-8300 |
| Greenhouse |
815-802-8857 |
| Hammes Cyber Café |
815-802-8440 |
| Health Careers Division Office |
815-802-8800 |
| High school credit for adults |
815-802-8300 |
| Human Resources |
815-802-8125 |
| Humanities and Social Sciences Division |
815-802-8700 |
| Information Technology Services |
815-802-8900 |
| Institutional Advancement |
815-802-8252 |
| Institutional Research |
815-802-8258 |
| Instructional and Student Success |
815-802-8355 |
| Library (Harold and Jean Miner Memorial Library) |
815-802-8400 |
| Literacy programs |
815-802-8307 |
| Math, Science and Engineering Division |
815-802-8750 |
| Medical Laboratory Technology program |
815-802-8835 |
| Payments (student) |
815-802-8140 |
| Payroll |
815-802-8146 |
| Physical Plant Department |
815-802-8170 |
| Physical Therapist Assistant program |
815-802-8816 |
| President's office |
815-802-8110 |
| Public relations |
815-802-8275 |
| Publications |
815-802-8279 |
| Radiography program |
815-802-8832 |
| Receiving |
815-802-8170 |
| Reception, Main |
815-802-8100 |
| Reception, MITC |
815-802-8880 |
| Reception, NEC |
815-802-8960 |
| Reception, SEC |
815-802-8780 |
| Recruitment services |
815-802-8255 |
| Refunds to students |
815-802-8140 |
| Regional Superintendent of Schools |
815-937-2950 |
| Registrar's Office |
815-802-8524 |
| Registration |
815-802-8520 |
| Respiratory Therapist program |
815-802-8842 |
| Science labs |
815-802-8775 |
| Small Business Development Center |
815-802-8222 |
| South Extension Center |
815-802-8780 |
| Student Activities |
815-802-8628 |
| Student Advisory Council |
815-802-8625 |
| Student Services |
815-802-8500 |
| TDD/TTY |
711 |
| Technology Division |
815-802-8850 |
| Testing |
815-802-8530 |
| Transfer Services |
815-802-8208 |
| TRIO Student Support Services |
815-802-8468 |
| TRIO Talent Search |
815-802-8570 |
| Tutoring programs |
815-802-8474 |
| Upward Bound program |
815-802-8560 |
| Veterans Affairs |
815-802-8556 |
| Visual Arts |
815-802-8718 |
| Workforce Services |
815-802-8963 |
| Workforce Investment Act |
815-802-8960 |
| Workforce Investment Act (Pontiac) |
815-842-6535 |
| Youth Program Services |
815-802-8268 |