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Bank Routing Number

Security Financial Bank Routing Number

The primary ABA routing number (RTN) for Security Financial Bank, Durand, WI is shown below.

Primary ABA / RTN
091803274
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 Security Financial Bank routing number?

The Security Financial Bank routing number is 091803274. It is the primary ABA routing transit number registered to Security Financial Bank, headquartered in Durand, WI. 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 Security Financial Bank wire routing number?

This page lists 091803274, the primary routing number registered to Security Financial 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 Security Financial Bank before sending a wire.

Is ABA number 091803274 the routing number for Security Financial Bank?

Yes. ABA number 091803274 is the primary routing number registered to Security Financial 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 091803274?

Routing number 091803274 belongs to Security Financial Bank, headquartered in Durand, WI. It is the bank's primary ABA routing number (FDIC certificate 14222).

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