Bangor Savings Bank CD Rates for 18 Month certificate of deposits are now at 1.50 percent with an APY of 1.51 percent. 18 Month CD Rates at Bangor Savings Bank were changed from 1.60 percent with a yield of 1.61 percent. Compare Bangor Savings Bank CD Rates for 18 Month certificates of deposit with other CD rates. (continued below)