What is the mailing address for Vanguard?
What is the mailing address for Vanguard? Contact us by mail ADDRESS By U.S. mail: Vanguard P.O. Box 982901 El Paso, TX 79998-2901 By registered, certified, or overnight mail: Vanguard 5951 Luckett Court, Suite A1 El Paso, TX 79932-1882 Where is the company Vanguard located? Vanguard’s corporate headquarters is in Malvern, a suburb of Philadelphia.