Cornerstone student loan Customer service Phone Number CornerStone to get your payoff amount and to make arrangements to complete your payments.
Customer Service Hours
Monday through Friday, 8am to 5pm MT
(These hours will remain in effect until March 15, 2021)
Contact Numbers
Toll Free: (800) 663-1662
Fax: (801) 366-8400
Servicemembers: (844) 255-8326
Email Address (General Questions Only)
customerservice@mycornerstoneloan.org
Servicemember email: Servicemembers@mycornerstoneloan.org
Correspondence Address
CornerStone Education Loan Services
P.O. Box 145122 Salt Lake City, UT 84114-5122
Payment Address
U.S. Department of Education
CornerStone
PO Box 979133 St. Louis, MO 63197-9000
