Direct Lines
| Office | Telephone Number | 
|---|---|
| Office of the Chancellor (Los Baños) | 536-6015 | 
| Office of the Chancellor (Diliman) | (02) 426-0545 | 
| Office of the Vice Chancellor for Finance and Administration | 536-6013 | 
| Office of the Vice Chancellor for Academic Affairs (Los Baños) | 536-6014 | 
| Faculty of Education | 536-6009 | 
| Faculty of Information and Communication Studies | 536-5993 | 
| Faculty of Management and Development Studies | 536-6010 | 
| Office of the University Registrar | 536-0106 | 
| CODTL – Learning Design Unit (Diliman) | (02) 426-1515 | 
| Office of Public Affairs | 536-5992 | 
| Library | 536-5998 | 
| Mega Learning Hub – Cebu | (032) 232-7476 | 
| Mega Learning Hub – Diliman | (02) 920-7117 | 
| Mega Learning Hub – Los Baños | 536-5484 | 
Local Telephone Directory (Los Banos only)
| Office | Local Telephone Number | 
|---|---|
| Office of the Chancellor | 800 | 
| Budget Office | 703 | 
| Legal Office | 450 | 
| Office of the Vice Chancellor for Academic Affairs | 301 | 
| Office of the Vice Chancellor for Finance and Administration | 151 | 
| Accounting Office | 202 | 
| Cash Office | 250 | 
| Human Resources Development Office | 220 | 
| Supplies and Property Management Office | 210 | 
| Campus Development and Management Office | 483 | 
| Faculty of Education | 830 | 
| Faculty of Information and Communication Studies | 334 | 
| Faculty of Management and Development Studies | 821 | 
| Office of the University Registrar | 101 | 
| Office of Student Affairs | 340 | 
| CODTL – Educational Media Production Unit | 453 | 
| Office of Public Affairs | 710 | 
| Information and Communication Technology Development Office | 452 | 
| Office of Gender Concerns | 451 | 
| Quality Assurance Office | 702 |