Bank Routing Number
Farmers & Merchants Bank Routing Number
The primary ABA routing number (RTN) for Farmers & Merchants Bank, Miamisburg, OH is shown below.
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 Farmers & Merchants Bank routing number?
The Farmers & Merchants Bank routing number is 042213389. It is the primary ABA routing transit number registered to Farmers & Merchants Bank, headquartered in Miamisburg, OH. 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 Farmers & Merchants Bank wire routing number?
This page lists 042213389, the primary routing number registered to Farmers & Merchants 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 Farmers & Merchants Bank before sending a wire.
Is ABA number 042213389 the routing number for Farmers & Merchants Bank?
Yes. ABA number 042213389 is the primary routing number registered to Farmers & Merchants 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 042213389?
Routing number 042213389 belongs to Farmers & Merchants Bank, headquartered in Miamisburg, OH. It is the bank's primary ABA routing number (FDIC certificate 9462).
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View Farmers & Merchants Bank's full profile →
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Regulator records: FDIC BankFind (cert 9462) · FFIEC NIC profile (RSSD 176325)