M&T Bank is headquartered in Buffalo, New York. There are more than 750 branches in New York, Pennsylvania, Maryland, New Jersey, Washington D.C., Virginia, West Virginia and Delaware. The branch in White Plains is located on Mamaroneck Avenue, across the street from Fashion Diva hair salon. It is a full-service bank, providing customers with personal and business services including checking, savings, CDs, credit cards, loans, mortgages and ATM service. Online banking is also available.