Contact Us

Phone: 800-939-9103

Call Center Hours:

Monday–Wednesday: 7:30 am–6:00 pm

Thursday–Friday: 7:30 am–7:00 pm

Saturday: 8:30 am–1:00 pm

Sunday: 10:00 am–2:00 pm

24-hour account information:
888-885-8847

Mail:

Cornerstone Bank
P.O. Box 370
Southbridge, MA 01550-0370

For Debit Card issues or to report lost or stolen ATM/Debit Card: