NBT Bancorp Inc.

52 South Broad Street

Norwich, New York 13815

February 24, 2023

VIA EDGAR

U.S. Securities and Exchange Commission

Division of Corporation Finance

Office of Industrial Applications and Services

100 F Street, N.E.

Washington, D.C. 20549

Dear Ms. Madeline Mateo:

Pursuant to Rule 461 of the General Rules and Regulations under the Securities Act of 1933, as amended, NBT Bancorp Inc. (the “Company”) hereby respectfully requests that the U.S. Securities and Exchange Commission accelerate the effective date and time of the above referenced Registration Statement on Form S-4 (the “Registration Statement”) and declare the Registration Statement effective as of 5:30 p.m. Eastern Time on February 28, 2023, or as soon thereafter as practicable.

The Company requests that it be notified of such effectiveness by a telephone call to Les B. Reese of Hogan Lovells US LLP at (202) 637-5542.