| CENTRAL ADMINISTRATION | Contact Number |
| Office of the President | (078) 844-0430 |
| NOC/Technician | (078) 844-2207 |
| Finance Office | (078) 844-7115 |
| Supply Office | (078) 846-2443 |
| Guard House | (078) 846-9434 |
| Library-Andrews | (078) 844-5042 |
| COA | (078) 846-7583 |
| Clinic | (078) 844-9437 |
| UPOU | (078) 844-6606 |
| Fax Number | (078)844-4119 |
| TRUNKLINE (078)844-0098/844-0099/846-7470/846-7455 | Local |
| Accounting Office | 125 |
| Administration Office | 133 |
| Budget Office | 124 |
| Business Office | 127 |
| Cashier's Office | 126 |
| COA Office | 118 |
| Education | 117 |
| FMO | 103 |
| Internal Audit | 120 |
| MIS office | 134 |
| Operator/Guard | 0/100 |
| Personnel Office | 119 |
| President Office | 122 |
| Registrar Officfe | 123 |
| Supply | 121 |
| VP Academics | 132 |
| VP Administration | 129 |
| VP Research & Extension | 130 |
| CAMPUSES | Contact Number |
| Aparri | (078) 888-2751(fax) 822-8399 |
| Gonzaga | (078) 856-6526 |
| Lallo | (078) 872-0407 |
| Lasam | (078) 853-3058 |
| Piat | 09175152910 |
| Sanchez Mira | (078) 822-9365 |
COLLEGES | Contact Number |
| College of Arts and Sciences | (078) 304-0802 |
| College of Engineering | (078) 844-9432 |
| College of Information Technology | (078) 304-1104 |
| College of Medicine | (078) 304-1205 |
| College of Public Administration | (078) 846-7451 |
| College of Technology | (078) 846-7454 |
| College of Veterinary Medicine | (078) 846-7012 |
| College of Medical Technology | (078) 844-7631 |
| College of Education | (078) 844-7789 |
| College of Law | (078) 844-4892 |
| College of Business Administration and Accountancy | (078) 844-6466 |
| College Hotel Industry Management | (078) 844-0228 |
| College of Human Kinetics | (078) 844-8650 |
