<SEC-DOCUMENT>0001140361-16-071019-index.html : 20160628
<SEC-HEADER>0001140361-16-071019.hdr.sgml : 20160628
<ACCEPTANCE-DATETIME>20160628160809
ACCESSION NUMBER:		0001140361-16-071019
CONFORMED SUBMISSION TYPE:	11-K
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20151231
FILED AS OF DATE:		20160628
DATE AS OF CHANGE:		20160628

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			NBT BANCORP INC
		CENTRAL INDEX KEY:			0000790359
		STANDARD INDUSTRIAL CLASSIFICATION:	NATIONAL COMMERCIAL BANKS [6021]
		IRS NUMBER:				161268674
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		11-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-14703
		FILM NUMBER:		161736203

	BUSINESS ADDRESS:	
		STREET 1:		52 S BROAD ST
		CITY:			NORWICH
		STATE:			NY
		ZIP:			13815
		BUSINESS PHONE:		6073372265

	MAIL ADDRESS:	
		STREET 1:		52 S. BROAD STREET
		CITY:			NORWICH
		STATE:			NY
		ZIP:			13815
</SEC-HEADER>
<DOCUMENT>
<TYPE>11-K
<SEQUENCE>1
<FILENAME>form11k.htm
<DESCRIPTION>NBT BANCORP INC. 11-K 12-31-2015
<TEXT>
Document 1 - file: form11k.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23
<SEQUENCE>2
<FILENAME>ex23.htm
<DESCRIPTION>EXHIBIT 23
<TEXT>
Document 2 - file: ex23.htm

</DOCUMENT>
</SEC-DOCUMENT>