WASHINGTON (3/30/11)--The national average interest rate for 30-year fixed-rate mortgages increased to 4.97% in February, a 12 basis point increase over the previous month’s total, the Federal Housing Finance Agency (FHFA) reported on Tuesday. The FHFA reported that the contract rate on the composite of all fixed- and adjustable-rate mortgages was 4.80% percent in February, up 10 basis points from 4.70 percent in January. The FHFA did not include separate information on adjustable rate mortgages. Mortgage totals average $216,900 during February, a $14,500 increase from January’s total of $202,400. One-time fees and other mortgage origination charges accounted for an average of 0.8% of the balance of all mortgage loans, and the average term of these mortgages was 27.2 years. The average loan-to-price ratio was 74.7%, the FHFA added. The FHFA rate survey reflects loans that closed between Feb. 22 and Feb. 28.