Endeavour Silver Customer Service Phone Numbers Customer service:  1-877-685-9775   Endeavour Silver Headquarters Info, Email, Phone number, Website and live chat Information The Endeavour Silver Headquarters is 10328 Suite 1130-609 Granville Street Vancouver, BC V7Y 1G5, Canada.   If you searching for Endeavour Silver Customer Service Number, you are at the right place. In this post, we have provided a list