Make the EasySwitch to Better Banking.


Not feeling your current bank anymore?

There certainly are lots of changes going on these days. Many Connecticut banks are closing branches, being gobbled up by out-of-state institutions, or not treating you, your business, or your money the way YOU deserve.

So, if you're looking to make a change, we hope you'll consider GSB. For over 145 years, we have combined our local roots and people with innovative digital banking solutions and value-driven products to better server you, our neighbors. Plus, we've opened TWO new branches in the last year to better serve our customers.


Getting started is as easy as our EasySwitch Kit!

We know most people think switching banks can be a pain, but the REAL PAIN is staying at a bank that doesn't value your money or your time. Our EasySwitch Kit makes changing banks a whole lot faster and easier with a step-by-step guide that lets you know the documents you'll need, the steps to take, and the easiest way to do it.


Need help? That's why we're here. Call (800) 730-6603, or Contact Us, however it works best for you.

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Below are all the documents you need to switch banks, in one place. Start with the EasySwitch Kit, a checklist that makes the process easy.



Direct Deposit Change Authorization


Automatic Payment Change Authorization


Automatic Transaction Checklist


Request to close former account




You may need additional information to switch accounts. We’ve provided answers to some common questions below. Or, feel free to give us a call at (203) 453-2721.

Our ABA routing number is 211170208.

A bank's routing number is the 9-digit number located in the bottom left corner of your check.

Along with the Automatic Payment Change Authorization, you can contact them at:
  • Social Security/SSI: (800) 772-1213 or
  • Department of Veterans Affairs: (800) 827-1000 or 

Our mailing address is P.O. Box 369, Guilford, CT 06437.

We're here to help you with anything you need throughout the transition.  The Bank's Access Banking Center is available Mon - Fri 8:00am - 5:00pm and Sat 8:30am - 1:00pm
Phone: (203) 453-2721
Toll Free: (800) 730-6603


Need help deciding which account is right for you? Our Product Selector Tool helps you find the best match. By answering a few simple questions, we'll determine which account fits your unique goals.

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