Search Results for mailing address The Basilica of Saint Mary310 South Royal StreetAlexandria, VA 22314 Main Offices313 Duke StreetAlexandria, VA 22314 ContactPhone: 703-836-4100Fax: 703-549-3605Email Contact Office HoursMonday-Friday: 9:00am – 5:00pm Copyright 2022 The Basilica of Saint Mary | Login × Looking for something? Search Search