Town of Delaware Share: Town Government Town of Delaware Visit Website Request Info 104 Main Street Hortonville, NY 12745 (845) 887-5250 (845) 887-5228 (fax) About Rep Info Map About The Town of Delaware, located in Sullivan County New York, consists of the hamlets of Callicoon, Hortonville, Kenoza Lake and Kohlertown.It is a diversified area that ranges from flat valleys with p Whom to Contact Stephan F. Lundgren Supervisor Phone: (845) 887-5250 What's Nearby? Distance: 5 10 15 20 25 50 mi.