Customer Support Information

Have questions regarding our Systems Integration? Visit our dedicated resource page or call your local branch, or call 207-786-5705 or toll-free at 1-833-762-0313.

Customer Support Information

Routing Number
211274395 

SWIFT Code
GSVIUS33 

Lost or Stolen Card
207-786-5705 

After Hours Lost or Stolen Card
ATM/Debit Card: 1-800-500-1044
Credit Card: 1-800-883-0131

Report Debit Card Fraud
Call Chargeback Services at 833-995-2888
Mon—Fri: 8:00am – 9:00pm
Sat: 9:00am – 3:00pm 

24-hour Telephone Banking
207-839-5200

Customer Service Mailing Address
PO Box 558
Westbrook, ME 04098 

Loan Payments
10 Wentworth Drive
Gorham, ME 04038


Most Common FAQs

What is Maine Community Bank's routing number?

Routing number: 211274395

When can I bank at all branch locations?

Beginning Monday, August 25, following integration, you will be able to bank at any of our 21 convenient branch locations.

Will my Legacy GSB mobile app automatically update to MCB?

The legacy GSB mobile app has been updated to reflect the MCB name and branding. Your username, password, and app functionality will remain the same. However, you will need to re-enter your credentials the first time you log in. If you have automatic updates enabled, no action is needed—the update will apply automatically.

More FAQs | Systems Integration FAQs

Customer Service and General Inquires

Phone: 207-786-5705 or toll-free at 1-833-762-0313
Hours: Mon–Fri: 7:30am – 5:00pm
Sat: 7:30am – 12:00pm

For general inquiries, please submit the form below. To protect your security when sending us electronic messages, please do not include confidential and personal information such as Social Security Numbers, account numbers, logins or passwords. We look forward to hearing from you.

Legacy MCB Customers: See instructions for help logging into online or mobile banking.