Cenovus Energy Customer Service Phone Numbers Customer service:  1-877-766-2066 To report an emergency Cold Lake Air Weapons Range: (780) 573-7321 Christina Lake: (780) 559-6200 All other locations: 1-877-458-8080   Cenovus Energy Headquarters Info, Email, Phone number, Website and live chat Information The Cenovus Energy Inc. is an integrated oil company headquartered in Calgary, Alberta. Cenovus was formed on December