Stonehambank Routing Number (ABA): 211371586

Stonehambank at a glance

Its CET1 capital ratio was 12.51% at Q2 2026, above regulatory requirements.

Total assets, Q2 2026

$918.3M

CET1 ratio, Q2 2026

12.51%

Deposit insurance

FDIC

Regulator

FDIC

Domestic offices

2 FDIC institution directory, current count

Established

1887

Full financial profile · Is Stonehambank safe? · Branch locations

What the digits mean

The first two digits, 21, place this number in the Federal Reserve Bank of Boston's district (District 1): prefixes 21 to 32 are the district numbers assigned to thrift institutions. Digits five through eight, 7158, identify the institution within that district. The last digit, 6, is a check digit, and the number passes the standard check: weight the nine digits 3, 7, 1, 3, 7, 1, 3, 7, 1 and the sum is a multiple of 10.

Before you send money to Stonehambank

A routing number tells the payment network which financial institution holds an account. You give it with an account number for ACH transfers through the automated clearing house, such as direct deposit, bill pay and transfers from a checking account, which usually settle in one to two business days. An international wire to a US account normally needs the bank's SWIFT code as well.

Match this number against the one on your Stonehambank checks or in its online banking. Ask the bank for wire instructions (stonehambank.com). Our record does not show whether this number receives wires. The Federal Reserve's E-Payments Routing Directory shows it: its Fedwire participant search lists the numbers that can receive Fedwire transfers, and its FedACH search lists those that receive ACH payments. How to confirm any routing number.

About Stonehambank

Stonehambank is headquartered in Stoneham, Massachusetts and was established in 1887. It is in the BOSTON-CAMBRIDGE-NEWTON, MA-NH metro area. It reported $918.3M in total assets and $773.2M in deposits for Q2 2026, the 51st largest of the 89 banks headquartered in Massachusetts. It reports 2 domestic offices. Its deposits have been FDIC insured since 1986. Its primary federal regulator is the FDIC. One other bank or credit union headquartered in Stoneham has a routing number listed here.

What the digits in 211371586 mean

The first four digits, 2113, are the Federal Reserve routing symbol. The prefix 21 places the number in the 1st Federal Reserve District (Boston), a range the ABA plan set aside for thrift institutions. That is also the district where the bank is headquartered. Digits five through eight, 7158, identify the institution within its Federal Reserve district. The last digit, 6, is a check digit. Weighting the digits 3, 7 and 1 in turn gives 3 x 10 + 7 x 16 + 8 = 150, a multiple of 10, so 211371586 is a well-formed routing number. A mistyped digit almost always breaks that sum.

What is the Stonehambank routing number?

The Stonehambank routing number is 211371586. It is the primary ABA routing transit number registered to Stonehambank, headquartered in Stoneham, MA. The number comes from the FFIEC National Information Center institution record, last refreshed here on October 25, 2026.

What is the Stonehambank wire routing number?

This page lists the primary routing number registered to Stonehambank. The record does not say whether the bank uses the same number for wire transfers. Confirm the wire routing number with Stonehambank before sending a wire.

Is ABA number 211371586 the routing number for Stonehambank?

Yes. It is the primary routing number registered to Stonehambank.

Which bank uses routing number 211371586?

It belongs to Stonehambank, headquartered in Stoneham, MA. It is the bank's primary ABA routing number (FDIC certificate 26559).

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