Be Someones Hero Search for: Advanced Search Place Ad Edit Ad Browse Ads Search Ads Be Someones Hero Click to enlarge image. Contact Information Contact Blood Bank of Delmarva Phone: 888-8BLOOD More Information Be Someones Hero. Give blood in Centreville & Grasonville, or at 34 other donor sites across Delmarva. Contact Blood Bank of Delmarva. www.delmarvablood.org