For starters
TN covers all towns in Tolland county except for Hebron and the University of Connecticut (Station UC). TN also covers East Windsor and Ashford.
QV is most of Windham County except for Putnam which is Station WA.
WW is the city of Willimantic Fire, Windham hospital paramedics, North Windham, South Windham, Windham Center and Franklin
KX is Colchester, Hebron, Marlborough, East Hampton, Bozrah etc I cant remember them all.
Check the Data bases in these towns to find your specific frequencies.
Good Luck!
Mark