115 Innovation BlvdWilmington, DE 19805 Phone: +1 302-803-5270Fax: +1 302-803-5280Toll Free: +800-331-3131 Hotel Website Commission Rooms Rates 10% - - Hoteliers! Is your information accurate? Update Here Residence Inn by Marriott Wilmington Location & Neighborhood 23 MI from Philadelphia Intl airport.