SERVICE ADVISORY
In support of UP’s energy conservation measures, the Main Library and the University Archives are adopting an alternative work arrangement. Mondays are designated as the work-from-home (WFH) day with no on-site operations.
Effective 13 April 2026
– Mondays: Online services only.
– Tuesdays-Saturdays: Regular library operations.
Non-UP clients will be accommodated every Fridays.
Please plan your library transactions accordingly.
UP Diliman Trunkline (+632) 8-981-8500
| Sections | Service Hours | VOIP Local |
|---|---|---|
| University Librarian | 2851, 2852 | |
| Deputy University Librarian | 2862 | |
| Administrative Services Section | Mon to Fri – 8:00 AM to 5:00 PM | 2852 |
| – Cashier | 2863 | |
| Strategic Communication, Research and Marketing Section | Mon to Fri – 8:00 AM to 5:00 PM | 2856 |
| – Information Desk (Lobby) | Mon to Fri – 9:00 AM to 3:00 PM | 2865 |
| USER SERVICES DIVISION | ——————————————————— | |
| Information Services and Instruction Section (formerly General Reference, merged with Media Services) | Mon to Sat – 8:00 AM to 5:00 PM | 2861 |
| Filipiniana Books Section | Mon to Sat – 8:00 AM to 5:00 PM | 2859 |
| Serials Section | Mon to Sat – 8:00 AM to 5:00 PM | 2860 |
| Social Sciences and Philosophy Library | Mon to Sat – 8:00 AM to 5:00 PM | 2867 |
| Special Collections Section | Mon to Sat- 8:00 AM to 5:00 PM | 2855 |
| UNIVERSITY ARCHIVES DIVISION | ——————————————————— | |
| UPiana Section (Theses/Dissertations and UP Publications) | Mon to Sat – 8:00 AM to 5:00 PM | 2868 |
| Personal Papers Section | – | 2866 |
| Preservation Services Section (Bindery) | – | 2862 |
| University Records Section | – | 2866 |
| TECHNICAL SERVICES DIVISION | ——————————————————— | |
| Acquisitions Section | Mon to Fri – 8:00 AM to 5:00 PM | 2853 |
| Cataloging and Metadata Services Section | Mon to Fri – 7:00 AM to 5:00 PM | 2857 |
| INFORMATION TECHNOLOGY DIVISION | ——————————————————— | |
| Information Systems and Network Services Section | Mon to Fri – 7:30 AM to 5:30 PM | 2864 |
| Digitization Services Section | – | 2858 |
UNIVERSITY LIBRARIAN
Elvira B. Lapuz
Email: library.updiliman@up.edu.ph
Telephone Number: 8-981-8500 local 2852
Telefax Number: 8-981-8500 local 2851
DEPUTY UNIVERSITY LIBRARIAN
Eimee Rhea C. Lagrama
Telephone Number: 8-981-8500 local 2862
ADMINISTRATIVE SERVICES SECTION (University Librarian’s Office)
Temporary Location: 2/F Environmental and Energy Engineering Building, T.H. Pardo de Tavera St., UP Diliman, Quezon City
Telephone Number: 8-981-8500 local 2852
Administrative Officer: Mylene P. Rufin
STRATEGIC COMMUNICATION, RESEARCH AND MARKETING SECTION
Temporary Location: 2/F Environmental and Energy Engineering Building, T.H. Pardo de Tavera St., UP Diliman, Quezon City
Telephone Number: 8-981-8500 local 2856
Head Librarian: Michelle Ann G. Manalo-Eclar
USER SERVICES DIVISION
Concurrent Division Head Librarian: Elvira B. Lapuz
FILIPINIANA BOOKS SECTION
Temporary Location: G/F Environmental and Energy Engineering Building, T.H. Pardo de Tavera St., UP Diliman, Quezon City
Telephone Number: 8-981-8500 local 2859
Section Email: fibooks-mainlib.updiliman@up.edu.ph
Facebook Page: https://www.facebook.com/updfilipinianabooks/
Head Librarian: Grace T. Casaña
INFORMATION SERVICES AND INSTRUCTION SECTION
(formerly General Reference Section, merged with Media Services)
Temporary Location: 1/F Environmental and Energy Engineering Building, T.H. Pardo de Tavera St., UP Diliman, Quezon City
Telephone Number: 8-981-8500 local 2861
Section Email: libraryinfo.updiliman@up.edu.ph
Head Librarian: Rizalyn V. Janio
SERIALS SECTION
(merged Foreign Serials, Filipiniana Serials and Bibliography and Indexing Sections)
Temporary Location: G/F Environmental and Energy Engineering Building, T.H. Pardo de Tavera St., UP Diliman, Quezon City
Telephone Number: 8-981-8500 local 2860
Section Email: serials-mainlib.updiliman@up.edu.ph
Facebook Page: https://www.facebook.com/updserials
Acting Head Librarian: Katherine S. Nazareth
COLLEGE OF SOCIAL SCIENCES AND PHILOSOPHY LIBRARY (CSSP Library)
Temporary Location: 1/F Environmental and Energy Engineering Building, T.H. Pardo de Tavera St., UP Diliman, Quezon City
Telephone Number: 8-981-8500 local 2867
Library Email: cssplib.upd@up.edu.ph
Facebook Page: https://www.facebook.com/updilimancssplibrary
Head Librarian: Rhoel E. Rondilla
SPECIAL COLLECTIONS SECTION
Temporary Location: 1/F Environmental and Energy Engineering Building, T.H. Pardo de Tavera St., UP Diliman, Quezon City
Section Email: specol-mainlib.updiliman@up.edu.ph
Facebook Page: https://www.facebook.com/SpecialCollectionsSectionUPDLibrary
Telephone Number: 8-981-8500 local 2855
Acting Head Librarian: Arthur Bryan C. Mariano
UNIVERSITY ARCHIVES DIVISION
Concurrent Division Head Librarian: Eimee Rhea C. Lagrama
Division Email: archives-mainlib.updiliman@up.edu.ph
Facebook Page: https://www.facebook.com/UPDArchives
UPIANA PUBLICATIONS
PRESERVATION SERVICES SECTION
Temporary Location: Old Chemical Engineering Laboratory, Magsaysay Ave., UP Diliman, Quezon City
Telephone Number: 8-981-8500 local 2868, 2862 (Bindery)
UNIVERSITY RECORDS
PERSONAL PAPERS SECTION
Temporary Location: Old Chemical Engineering Laboratory, Magsaysay Ave., UP Diliman, Quezon City
Telephone Number: 8-981-8500 local 2866
Head Librarian: Sheryl T. Gerodias
TECHNICAL SERVICES DIVISION
ACQUISITIONS SECTION
Temporary Location: 2/F Environmental and Energy Engineering Building, T.H. Pardo de Tavera St., UP Diliman, Quezon City
Telephone Number: 8-981-8500 local 2853
Section Email: acqui-mainlib.updiliman@up.edu.ph
Head Librarian: Reyna M. Parman
CATALOGING AND METADATA SERVICES SECTION
Temporary Location: 2/F Environmental and Energy Engineering Building, T.H. Pardo de Tavera St., UP Diliman, Quezon City
Telephone Number: 8-981-8500 local 2857
Section Email: cataloging-mainlib.updiliman@up.edu.ph
Head Librarian: Anthony N. Atuel
INFORMATION TECHNOLOGY DIVISION
Division Head: Chito N. Angeles
Division Email: it-mainlib.updiliman@up.edu.ph
INFORMATION SYSTEMS AND NETWORK SERVICES SECTION
Temporary Location: Old Chemical Engineering Laboratory, Magsaysay Ave., UP Diliman, Quezon City
Telephone Number: 8-981-8500 local 2864
DIGITIZATION SERVICES SECTION
Temporary Location: Old Chemical Engineering Laboratory, Magsaysay Ave., UP Diliman, Quezon City
Telephone Number: 8-981-8500 local 2858
Last Updated: 10 April 2026