mainstreet bank is an fdic insured fed member community bank headquartered in fairfax, virginia and serving the washington, dc metropolitan area. mainstreet bank mainstreet has 55,000 free atms across the united states and in canada, mexico and the uk. with a robust and easy-to-use online business banking technology, mainstreet has “put our bank” in well over 1,000 businesses in the metropolitan area and across the united states. the bank is not restricted by a conventional branching system, as it can offer business customers the ability to put our bank in your office®. mainstreet has added third party payments as a specialized service along with its robust suite of commercial and business services. mainstreet bank was also the first bank headquartered in the commonwealth of virginia to offer cdars – a solution that provides fdic insurance on deposits up to $50 million. further information on the bank can be obtained by visiting its website at mstreetbank.com.