Contact Us We would love to hear from you.Feel free to reach out using the below details. Address: P5 Justiniana Edera, San Jose, Dinagat Islands Hours: 7:30 AM - 12:00 NN 1:30 PM - 5:00 PM (Monday-Friday) 7:30 AM - 11:30 AM (Saturday) Phone: Main Office: 09216831753 Libjo Sub-Office: 09815199182 Loreto Service Center 09197504134 Email:dielcodinagat@yahoo.com.ph / dielco_isd@yahoo.com