| Code | Description | Tel. # |
| Accounting | Accounting Office | 982-0295 |
| Acred | Accreditation Office | 982-3725 |
| Admin | Administrative Office | 982-3725 |
| Admission | Admission Office | 491-4112 |
| Alumni | Alumni Affairs Office | 493-1811 |
| ABO | Assessment and Billing Office | 982-0717 |
| Board | Board Secretary | 982-5574 |
| Budget | Budget Office | 982-4630 |
| BC | Business Center | 982-5266 |
| Call Center | Call Center MISO | 800-2297 |
| Canteen | Canteen | 982-3481 |
| Cashier | Cashiering Office | 982-3727 |
| Tarlaqueño | Center for Tarlaqueño Studies | 982-3806 |
| CAFA | College of Architecture and Fine Arts | 493-1863 |
| CASS | College of Arts and Social Sciences | 982-3781 |
| CBA | College of Business and Accountancy | 982-4585/493-1871 |
| CCS | College of Computer Studies | 982-5246 |
| COEd | College of Education | 493-0182 |
| COEng | College of Engineering | 982-3731 |
| COE | College of Engineering | 982-3731 |
| CHK | College of Human Kinetics | 982-5266 |
| LAW | College of Law | 982-5266 |
| MBBS | College of Medicine | 493-4560 |
| CON | College of Nursing | 493-1865 |
| CPA | College of Public Administration | 982-3806 |
| COS | College of Science | 982-3781 |
| CT | College of Technology | 493-1864 |
| COA | Commission on Audit | 982-1804 |
| COOP | COOP Office | 982-3481 |
| Dental | Dental Clinic | 982-3731 |
| DOST | Department of Science and Technology | 800-1517 |
| Endowment | Endowment Office | 982-0041 |
| Extension | Extension Office | 982-3806 |
| FIRE DEPT | Fire Department | 982-1356 |
| GAD | Gender and Development | 982-3731 |
| GS | Graduate Studies | 491-7216 |
| GH | Guard House | 982-0716 |
| Civil Security | Guard House/Civil Security | 982-0716 |
| HRMO | Human Resource Management Office | 982-3725 |
| ILGA | Institute of Local Government and Administration | 491-4112 |
| IAS | Internal Audit System | 982-0102 |
| LAB | Laboratory School | 493-1872 |
| Library | Library - Main | 982-4585 |
| CPALG | Local Government | 982-3806 |
| MISO | Management Information Systems Office | 491-0173 |
| Clinic | Medical Clinic | 982-3731 |
| NSTP | NSTP Office | 982-5266 |
| OPAI | Office of Public Affairs and Information | 982-0717 |
| OSA | Office of Student Affairs | 982-0041 |
| PRES | Office of the University President | 982-5574/982-0110 |
| OUR | Office of University Registrar | 982-0111 |
| PSWF | Pambansang Sentro ng Wikang Filipino | 982-2447 |
| Planning | Planning Office | 982-3734 |
| POLICE | Police | 166 |
| PDCS | Presidential Development and Consultancy Services | 982-0102 |
| Pres FAX | President's Fax | 982-0110 |
| Proc | Procurement Office | 982-4630 |
| PPO | Property Plant Office | 982-0717 |
| Records | Records Office | 982-3725 |
| Registrar/OAI | Registrar Office/Office International Affairs | 491-0969 |
| Research | Research Office | 491-4112 |
| Supply | Supply Office | 982-2605 |
| TSUFU | Tarlac State University Faculty Union | 982-0102 |
| Testing | Testing Office | 491-4112 |
| Training | Training Office | |
| HOSTEL | University Hostel | 491-0603/491-0988 |
| Secretary | University Secretary | 982-3734 |
| VP ACAD | Vice President for Academic Affairs Office | 982-2447 |
| VP ADMIN | Vice President for Administration Office | 982-1624 |
| VP PRE | Vice President for Planning Research and Extension | 982-2447 |
| VP PRO | Vice President for Production Office | 982-3734 |