Where do I mail a check deposit to my Main Street Bank account?

Check deposits made to a checking or savings account at Main Street Bank can be sent to the following address:

Main Street Bank

Attn: Bank by Mail

PO Box 19

Marlborough, MA 01752

For any questions about your deposit accounts, you can contact your local branch at 508-481-8300 or customerservice@bankmainstreet.com.