Customer Service Hours 

Monday through Thursday, 6am to 7pm MT

Friday, 6am to 5pm MT

Chat 

Live Chat with one of our Loan Specialists!

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

*As email is an unsecured method of communication, we are only able to answer general questions. For account specific information, please contact us via secure Live Chat or call. DO NOT include personal information via email, such as Social Security Numbers.

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

Advocate Websites