Customer Care
542-7711 or Toll Free 1-800-992-0316
Fax: 603.542-5432
To e-mail CSB customer support, please click here.
CSBee-Line
1-888-Call CSB (1-888-225-5272)
From the local area, call 542-5437
CSB Offices
Main Office
Washington Street Office
Maple Avenue Office
Charlestown Office
Cornish Office
CSB Routing & Transit Number
2117-7019-0
Our People
See why at CSB our people are our greatest asset.