Frequently Asked Questions

What is the bank’s routing number?
ABA 211072885

Can I open an account online?
Yes, our existing customers can utilize our iOpen Online Account Opening service. You can simply login to our online banking solution and click on the “Open an Account” tab on the green menu bar.  New customer accounts must be opened in person at any branch during regular hours of operation. Click here for locations and hours of operation.

What documents do I need to open an account?
The following documentation is required to open an account:
1) A primary form of ID such as a valid Driver’s license or other Massachusetts State issued ID, or Passport.
2) A secondary form of ID like an insurance card, student ID or employer ID.
3) *A recent utility bill or other mailing received to document current address (*If current local address is not listed on primary ID).

Are deposits protected beyond the FDIC limits?
Yes, all deposits in excess of the FDIC limits are fully insured by The Depositors Insurance Fund. Each depositor is insured by the FDIC to at least $250,000. All deposits above the FDIC insurance amount are insured by the Depositors Insurance Fund (DIF). The combination of FDIC and DIF insurance provides customers of our bank with full deposit insurance on all their deposit accounts. No depositor has ever lost a penny in a bank insured by both the FDIC and the DIF. For more information on The Depositors Insurance Fund, you may visit DIFXS.com.

How do I reset my pin?
You may reset your PIN in person at any branch during regular hours of operation. Click here for locations and hours of operation.

Can my debit card limit be raised?
Yes, contact us on-line by clicking here or call customer service at 617-364-6000.

How can I cancel my debit card during non-banking hours?
Call 1-617-364-6000 and follow instructions to cancel your debt card.

Where are the SUM ATM locations?
Click here for SUM ATM locations.

Is there a fee to use my debit card at other ATM’s?
Commonwealth Bank does not charge a fee to use other ATMs, however, other banks may charge you a fee to use their ATM.

Can I find a mortgage application on your website?
Yes, click here for a mortgage application. You can enter your information on-line but it cannot be saved. Print the application after you have completed it or print blank application. Be sure to print each document listed as requires signature, sign and submit with the application

What documentation do I need to apply for a mortgage?
Click here for the list of items required to apply for a mortgage.

How do I sign up for online banking?
It’s easy, first you need to register, Click here to get started.

Is there a fee for on-line banking?
No, there is no fee for on-line banking.

Do you have Bill pay?
Yes, if you already have On-line Banking with us click log in. If not you will need to register for on-line banking to access free Bill Pay. Click here to begin.

Do you have E-statements?
Yes, if you already have On-line Banking with us click log in. If not you will need to register for on-line banking to access free E-statements. Click here to begin.