Bank Routing Number

The First National Bank of Mertzon Routing Number

The primary ABA routing number (RTN) for The First National Bank of Mertzon, Mertzon, TX is shown below.

Primary ABA / RTN

111311785

Verify before you send money. This is the bank's primary registered routing number, taken from the FFIEC National Information Center institution record (last refreshed here on October 8, 2026). Banks often use a different routing number for wire transfers than for ACH, and large banks vary it by region; always confirm the correct number on a check or with your bank before initiating a transfer.

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 The First National Bank of Mertzon routing number?

The The First National Bank of Mertzon routing number is 111311785. It is the primary ABA routing transit number registered to The First National Bank of Mertzon, headquartered in Mertzon, TX. 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 The First National Bank of Mertzon wire routing number?

This page lists 111311785, the primary routing number registered to The First National Bank of Mertzon. 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 The First National Bank of Mertzon before sending a wire.

Is ABA number 111311785 the routing number for The First National Bank of Mertzon?

Yes. ABA number 111311785 is the primary routing number registered to The First National Bank of Mertzon. 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 111311785?

Routing number 111311785 belongs to The First National Bank of Mertzon, headquartered in Mertzon, TX. It is the bank's primary ABA routing number (FDIC certificate 3339).

Routing numbers of similar-size institutions in Texas

Bank, Fort Worth, TX: Colonial Savings, F.A.: 311972238
Credit union, Sugar Land, TX: Nizari Progressive Federal Credit Union: 113093881
Credit union, Waco, TX: Genco Federal Credit Union: 311990029
Bank, Sealy, TX: Citizens State Bank: 113104275
Bank, Frisco, TX: Texas Republic Bank, N.A.: 111303010
Bank, Woodville, TX: Citizens State Bank: 113119105
Bank, Kilgore, TX: Citizens Bank: 111922624
Credit union, Edinburg, TX: Security First Federal Credit Union: 314986292

All routing numbers in Texas

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Regulator records: FDIC BankFind (cert 3339) · FFIEC NIC profile (RSSD 500256)