Jack Lingo, Inc. Realtor Real Estate Sales Agencies & AgentsReal Estate Rentals Jack Lingo, Inc. Realtor Visit Website Request Info 28442 DuPont Blvd. Millsboro, DE 19966 (302) 934-3970 888-934-3970 (302) 934-3970 (fax) About Map About We are committed to providing customers with the best possible service in Sussex County, Delaware! What's Nearby? Distance: 5 10 15 20 25 50 mi.