2 The StrandNew Castle, DE 19720 Phone: +1 302-328-6618Fax: +1 302-324-1163 Hotel Website Commission Rooms Rates 10% 5 - Hoteliers! Is your information accurate? Update Here Armitage Inn Location & Neighborhood Historic District of New Castle, Delaware - 30 MI, 30 min from Philadelphia Intl airport. 5 MI from Wilmington, DelawareNearest Cross Street: The Strand and Delaware Sts