Bangor Savings Bank CD Rates for 3 Month $50K certificate of deposits are now at 1.05 percent with an APY of 1.06 percent. 3 Month $50K CD Rates at Bangor Savings Bank were changed from 1.25 percent with a yield of 1.26 percent. Compare Bangor Savings Bank CD Rates for 3 Month $50K certificates of deposit with other CD rates.