Interstate Billing Service Categories Billing / Document Management 2114 Veterans Dr SE Decatur AL 35601 (800) 233-9146 (800) 223-9146 Send Email Visit Website Rep/Contact Info Jason Windham × Jason Windham President Phone: (800) 233-9146 PO Box 2250 Decatur AL 35609 Share × Print Email Facebook Twitter LinkedIn Pinterest Tell a Friend ×