 800-811-7913. 800-811-7913. That's 800-811-7913. 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 creditworthiness, value of the field loan term, and other factors.