North Carolina Call Boundary Coordinates: Call Area Wilmington-West Call Area Wilmington-East Call Area Kitty Hawk GIS File of the North Carolina Call Areas(UTM Zone 18, NAD 83) Maps Showing Vessel Density for the North Carolina Call AreasMaps - Call Areas Wilmington-East and Wilmington-West: All Vessels Towing Cargo Tanker Tug Maps - Call Area Kitty Hawk: Towing Cargo Tanker Tug