Contact your Flagship representative

By phone: 800-345-1344
Monday–Friday 8 a.m. to 8 p.m., Eastern time.

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
Attn: Flagship Services

By e-mail