is an American financial institution that operates through a network of 155 banking locations in New York, Pennsylvania, Vermont, Massachusetts, New Hampshire, Maine and Connecticut.

The bank's first board meeting was held on March 3, 1856 at the law office of Warren and Isaac Newton.

At the same time, NBT Bank introduced its current logo featuring a blue star and red lettering.

In December 2022, NBT announced that it will acquire the Connecticut-based Salisbury Bancorp in an equity transaction valued at $204 million.

[6] NBT will acquire Evans Bank of Williamsville, NY the second quarter of 2025 at an expected value of $236 million.