Regional Office XI Address and Contacts 2/F EMB-MGB Building, 3rd Avenue, corner V. Guzman, Barangay 27-C, Davao City CONTACT NUMBERS Telephone: (63-82) 221-6535; 222-1968 Fax: (63-82) 221-6535 Email Address: mgbxi.org@gmail.com / region11@mgb.gov.ph