| Admissions (Student Services Center) | x2164 |
| Assessment Office (SU-1) | x2383 or x2476 |
| Associated Student Government Executive (SU-203) | x3766 |
| Behavioral Health Counseling Center (all sites) | (760) 891-7531 or X2626 |
| Boehm Gallery (D-31) | x2304 |
| Bookstore (Student Union) | x2220 |
| Campus Police Escorts/Security | x2289 |
| Career Center (SU-17) | x2194 |
| Cashier (A-2) | x2114 |
| Early Childhood Education Lab School San Marcos | x2575 |
| Early Childhood Education Lab School Escondido | x8155 |
| Cooperative Education (ST-55) | x2354 |
| Counseling (Student Services Center) | (760) 891-7511 |
| Disability Resource Center (DSPS Bldg.) | x2375 |
| Educational Television (P-31) | x2431 |
| English as a Second Language Center (H-116) | x2272 |
| English Writing Center (H-102) | x2778 |
| EOPS/Extended Opportunity Programs & Services (AA-141) | x2449 |
| Escondido Education Center | x8134 |
| Evaluations (Student Services Center) | x2165 |
| Fallbrook Education Center | x8464 |
| Financial Aid/Scholarships Office (Student Services Center) | x2366 |
| Food & Nutrition Center (SU-40A) | x7540 |
| Health Services/San Marcos | (760) 891-7530 or x2380 |
| Health Services/Escondido | (760) 891-7532 |
| Health Services/Rancho Bernardo | (858) 675-6676 |
| International Education (SU-103) | x2167 |
| Library/Learning Resource Center | x2612 |
| Lost and Found (Campus Police) | x2629 |
| Occupational & Noncredit Programs (AA-136) | x2284 |
| Planetarium | x2833 |
| Rancho Bernardo Education Center | x8664 |
| Student Access & Engagement Center (SU-19) | x2846 |
| Student Life & Leadership (SU-201) | x2594 |
| Teaching & Learning Center - San Marcos (TLC-100) | x3931 |
| Teaching & Learning Center - Escondido (ESC-500) | x8563 |
| Teaching and Learning Center - Fallbrook (NC-K01) | x8689 |
| Teaching and Learning Center - Rancho Bernardo (SEC-401) | x6618 |
| Theatre Box Office (PAC-101) | x2453 |
| Transcripts (Records Office) | x2169 |
| Transfer Center (SU-24A) | x2552 |
| TRIO Program (TCB-1) | x2761 |
| Tutoring (Library, LL Bldg.) | x2448 |
| Veterans Services (Student Services Center) | x2173 or x2174 |
| Wellness/Fitness Center (WFC) | x2838 |