Brgy. Timugan, Los Baños, Laguna 4030
Telefax No. : +63 (049) 536-4997; (049) 536-5005
E-mail : dost4@dost.gov.ph; armadrigal@dost.gov.ph;armadrigal@dost.gov.ph
Website : http://region4a.dost.gov.ph
DOST Region IV-A (CALABARZON)
http://region4a.dost.gov.ph