Senate Office:
Rm. 526 & 6 (New Wing 5/F)
GSIS Bldg., Financial Center, Diokno Blvd., Pasay City
Hours of operation:
Monday-Thursday 8:00am-7:00pm
Trunk Lines:
(632) 8-552-6601 to 70 local nos. 5701 / 8606
Direct Line/s:
(632) 8-552-6685 / (632) 8-552-6686
Telefax No:
(632) 8-552-6601 local no. 8606