TD Bank, N.A., is a United States national bank chartered and supervised by the federal Office of the Comptroller of the Currency. TD Bank offers banking, insurance, brokerage, and investment banking services in Connecticut, Delaware, Florida, Maine, Maryland, Massachusetts, New Hampshire, New Jersey, New York, North Carolina, Pennsylvania, Rhode Island, South Carolina, Vermont, Virginia, and Washington, D.C.The bank is a successor to the Portland Savings Bank, which started in Portland, Maine, in 1852, and later became Banknorth. The bank took its current name, TD Bank, N.A., in 2008, through the acquisition and renaming of Commerce Bank and its subsequent merger with TD Banknorth, resulting in co-headquarters in Cherry Hill, New Jersey, and Portland, Maine.The company is a part of Canadian Toronto-Dominion Bank based in Toronto, Ontario. The bank's "TD" initials, first popularized in Canada, are used officially for all American operations. The bank embraces a retail approach to banking; its branches are called "stores" and have extended operation hours.