 Call 800-761-6729. 800-761-6729. That's 800-761-6729. Rate and payment values are calculated by using the average savings per customer from January 1, 2022 through December 31, 2022. Not all applicants qualify for a loan or rate savings. Actual offer terms, including APR, are determined at the time of your application based on credit worthiness. Value of the field loan term and other facts.