Senate Office:Room 523 5th Floor, GSIS Bldg., Financial Center, Roxas Blvd., Pasay City
Trunk Lines : (632) 552-6601 to 80 loc. 5524 / 5525 / 5594
Direct Line : (632) 552-6688 / (632) 832-8280
Fax No. : (632) 552-6689
Email : mar@marroxas.com
Website: http://www.marroxas.com
