Watertown Savings 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 Watertown Savings Bank routing number?

The Watertown Savings Bank routing number is 221371356. It is the primary ABA routing transit number registered to Watertown Savings Bank, headquartered in Watertown, NY. 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 Watertown Savings Bank wire routing number?

This page lists 221371356, the primary routing number registered to Watertown Savings 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 Watertown Savings Bank before sending a wire.

Is ABA number 221371356 the routing number for Watertown Savings Bank?

Yes. ABA number 221371356 is the primary routing number registered to Watertown Savings 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 221371356?

Routing number 221371356 belongs to Watertown Savings Bank, headquartered in Watertown, NY. It is the bank's primary ABA routing number (FDIC certificate 15990).

Routing numbers of similar-size institutions in New York

Bank, Watertown, NY

WSB Municipal Bank: 021309285

Credit union, Watertown, NY

State CS Employees Federal Credit Union: 221380949

Credit union, Watertown, NY

Watertown Postal Federal Credit Union: 221380952

Bank, New York, NY

BTG Pactual Bank, N.A.: 026073134

Bank, Montgomery, NY

Walden Savings Bank: 221971316

Bank, Glen Cove, NY

First Central Savings Bank: 026072973

Credit union, Plainview, NY

N C P D Federal Credit Union: 221476701

Bank, Flushing, NY

Amerasia Bank: 026011484

All routing numbers in New York