First Majestic Silver Customer Service Phone Numbers Customer service: 604.688.3033 North American Toll-Free: 1.866.529.2807   First Majestic Silver Headquarters Info, Email, Phone number, Website and live chat Information Founded: 2002 Headquarters: Vancouver, Canada Key people: Raymond L. Polman: cfo First Majestic Silver Corp. is a Canadian silver mining company that operates in Mexico. The Company has five producing mines under its