Bridgehampton National Bank (BNB) ranks among the Top 3 community banks in New York, according to American Banker. Headquartered in Suffolk County, New York, BNB has been meeting the needs of Long Island businesses and families since 1910. Now more than 100 years later, our commitment to the tenets of community banking remain as strong as ever: We develop long-term relationships with local customers, offering banking knowledge and an understanding of the local marketplace while taking an active role in making the towns and villages we serve better places to live and work.