City of Brunswick » Member Directory Go back to directory. Add to Address Book. City of Brunswick City of Brunswick Contact: Dave Dunn, City Administrator 1 West Potomac Street Brunswick MD 21716 work Work Phone: 301-834-7500work Email: CityHall@BrunswickMD.govINTERNET Website: http://www.brunswickmd.gov Categories: Affiliate Members Updated 7 years ago.