Teck Resources Customer Service Phone Numbers Customer Service: 604.699.4000   Teck Resources Headquarters Info, Email, Phone number, Website and live chat Information Teck Resources Limited known as Teck Cominco until late 2008, is a Canadian metals and mining company. Canada’s largest diversified resources company, it was formed from the amalgamation of Teck and Cominco in 2001. Teck’s principal products