Main Street Bank Routing Number

What is an ABA routing number?

An ABA routing number, also called a routing transit number (RTN), is a 9-digit code that identifies a U.S. financial institution in the payment system. It tells ACH transfers, Fedwire payments, and paper checks which bank to route money to. The format was created by the American Bankers Association in 1910 and is still the backbone of U.S. domestic payments.

What is the difference between a routing number and an account number?

Your routing number identifies the bank; your account number identifies your specific account at that bank. On a paper check, the routing number is the 9-digit number in the bottom-left, and the account number is to its right.

What is the Main Street Bank routing number?

The Main Street Bank routing number is 211370752. It is the primary ABA routing transit number registered to Main Street Bank, headquartered in Marlborough, MA. A bank can hold more than one routing number, so this is the one on record for the institution, not necessarily the one printed on every check. The number comes from the FFIEC National Information Center institution record, last refreshed here on October 8, 2026.

What is the Main Street Bank wire routing number?

This page lists 211370752, the primary routing number registered to Main Street Bank. The record does not say whether the bank uses the same number for wire transfers, and many banks use a separate routing number for domestic wires. Confirm the wire routing number with Main Street Bank before sending a wire.

Is ABA number 211370752 the routing number for Main Street Bank?

Yes. ABA number 211370752 is the primary routing number registered to Main Street Bank. Check it against the routing number on a check or in your online banking before sending an ACH payment, because a bank can use different numbers by region or product.

Which bank uses routing number 211370752?

Routing number 211370752 belongs to Main Street Bank, headquartered in Marlborough, MA. It is the bank's primary ABA routing number (FDIC certificate 90235).

Routing numbers of similar-size institutions in Massachusetts

Credit union, Marlborough, MA

Saint Mary's Credit Union: 211384214

Bank, Cambridge, MA

East Cambridge Savings Bank: 211370419

Bank, Everett, MA

Everett Co-Operative Bank: 211370273

Bank, Yarmouth Port, MA

Cape & Coast Bank: 211371641

Bank, Raynham, MA

Bluestone Bank: 211372828

Bank, Newburyport, MA

Newburyport Five Cents Savings Bank: 211371502

Credit union, Pittsfield, MA

Greylock Federal Credit Union: 211885250

Credit union, Worcester, MA

Webster First Federal Credit Union: 211386597

All routing numbers in Massachusetts