Use the menu below to find complete location and contact information.
Lobby
Walk-in: Mon – Fri 8:30am – 4:00pm • Sat 9:00am – 12:00pm
Drive-up
Mon – Fri 8:00am – 4:00pm • Sat 9:00am – 12:00pm
Video Banking ATM
Mon – Fri 8:00am – 7:00pm • Sat 9:00am – 3:00pm
Monday – Tuesday: 8:30am – 8:00pm
Wednesday – Friday: 8:30am – 4:30pm
Saturday: 11:00am – 3:00pm
Sunday: 11:00am – 2:00pm
Lobby Hours
Walk-in: Mon – Fri 8:30am – 4:00pm • Sat 9:00am – 12:00pm
Video Banking ATM
Mon – Fri 8:00am – 7:00pm • Sat 9:00am – 3:00pm
Lobby Hours
Walk-in: Mon – Fri 8:30am – 4:00pm • Sat 9:00am – 12:00pm
Drive-up Hours
Mon – Fri 8:00am – 4:00pm • Sat 9:00am – 12:00pm
Video Banking ATM
Mon – Fri 8:00am – 7:00pm • Sat 9:00am – 3:00pm
Mystic Auto Bank Express is drive-up only.
Drive-up Hours
Mon – Fri 8:00am – 4:00pm (Branch closes from 11:00am – 11:30am) • Sat 9:00am – 12:00pm
Video Banking ATM
Mon – Fri 8:00am – 7:00pm • Sat 9:00am – 3:00pm
Lobby & Drive-up Hours
Mon – Fri 8:30am – 4:00pm • Sat 9:00am – 12:00pm
Video Banking ATM
Mon – Fri 8:00am – 7:00pm • Sat 9:00am – 3:00pm
Lobby Hours
Walk-in: Mon – Fri 8:30am – 4:00pm • Sat 9:00am – 12:00pm
Drive-up Hours
Mon – Fri 8:00am – 4:00pm • Sat 9:00am – 12:00pm
Video Banking ATM
Mon – Fri 8:00am – 7:00pm • Sat 9:00am – 3:00pm
Lobby & Drive-up Hours
Mon – Fri 8:30am – 4:00pm • Sat 9:00am – 12:00pm
Video Banking ATM
Mon – Fri 8:00am – 7:00pm • Sat 9:00am – 3:00pm
Lobby & Drive-up Hours
Mon – Fri 8:30am – 4:00pm
Lobby Hours
Mon – Thurs 8:30am – 4:00pm • Fri 8:30am – 5:00pm • Sat 9:00am – 12:00pm
Drive-up Hours
Mon – Thurs 8:00am – 5:00pm • Sat 9:00am – 12:00pm
Video Banking ATM
Mon – Fri 8:00am – 7:00pm • Sat 9:00am – 3:00pm
Lobby & Drive-up Hours
Mon – Fri 8:30am – 4:00pm • Sat 9:00am – 12:00pm
Video Banking ATM
Mon – Fri 8:00am – 7:00pm • Sat 9:00am – 3:00pm
Lobby & Drive-up Hours
Mon – Fri 8:30am – 4:00pm • Sat 9:00am – 12:00pm
Video Banking ATM
Mon – Fri 8:00am – 7:00pm • Sat 9:00am – 3:00pm
Lobby & Drive-up
Mon – Fri 8:30am – 4:00pm • Sat 9:00am – 12:00pm
Video Banking ATM
Mon – Fri 8:00am – 7:00pm • Sat 9:00am – 3:00pm
Lobby Hours
Walk-in: Mon – Fri 8:30am – 4:00pm • Sat 9:00am – 12:00pm
Drive-up Hours
Mon – Fri 8:00am – 4:00pm • Sat 9:00am – 12:00pm
Video Banking ATM
Mon – Fri 8:00am – 7:00pm • Sat 9:00am – 3:00pm
Lobby Hours
Walk-in: Mon – Fri 8:30am – 4:00pm • Sat 9:00am – 12:00pm
Drive-up Hours
Mon – Fri 8:00am – 4:00pm • Sat 9:00am – 12:00pm
*Our Customer Care Center will be open on these days and can be reached at 860-448-4200.
Our ATM network provides Nationwide access to cash.
Safe and secure access to your Chelsea Groton accounts and apps to help you manage your money on the go!
Connect with a local Video Banker who can help with most of your banking needs, through our Chelsea Live App or Video Banking ATMs.
Yes, the fee is 3% with no charge for Relationship Account customers.
Yes, services are available for customers; contact any of our branches or our Customer Care Center for assistance at 860-448-4200.
Bank checks and money orders are available for purchase by bank customers through any of our 14 branch locations.