Delaware DENAGO Dealership Delaware Service Areas Approximate county-center reference points for service areas only. These are not dealership, showroom, or storefront locations. New Castle County service area (approximate center) Service-area reference only; not a dealership or storefront. -75.648,39.581,0 Kent County service area (approximate center) Service-area reference only; not a dealership or storefront. -75.568,39.113,0 Sussex County service area (approximate center) Service-area reference only; not a dealership or storefront. -75.385,38.69,0