The volcanoes in Indonesia are among the most active of the Pacific Ring of Fire. They are formed due to subduction zones of three main active tectonic plates namely the Eurasian Plate, Pacific Plate, and the Indo-Australian Plate.
Tech Support: 1-800-266-2278. Help Line: 1-800-934-6489. Corporate Number: 1-215-665-1700. CustomerServiceNumbers.com is not associated with XfinityÂ® or ComcastÂ®. This page and others on this site are listed for informational and review purposes only.
Comcast Headquarters Comcast Center 1701 JFK Blvd. Philadelphia, PA 19103. 1  Phone Number: The contact phone number for Comcast headquarters is 1-215-286-1700. 2  Fax Number: All fax communication with the corporate office should be sent to 1-215-981-7790.