Bankrate 30 Year Mortgage Rates Mortgage Rates for 30 year fixed. About our Mortgage Rate Tables: The above mortgage loan information is provided to, or obtained by, Bankrate. Some lenders provide their mortgage loan terms to.Low Interest Rate Mortgage Whats The Prime Rate The prime rate, as an index, is the rate at which a borrower with an ideal credit rating and creditworthiness borrows money. banks set their own rates and add them to the prime rate when.