Dunkin' Donuts adresses in Niantic‚ CT Home Work hours Dunkin' Donuts hours Connecticut Niantic AddressPhoneMap255 Main St Niantic(860) 739-1910 168 W Main St Niantic(860) 691-2722 You May Like Dunkin' Donuts hoursBurger King hoursDairy Queen hoursSubway hoursPeople Are Reading