Routing Numbers for 1St Financial Bank Usa 9140... [2026 Updated]

The routing number for 1St Financial Bank Usa is 91404466.

1St Financial Bank Usa is located at this address: Po Box 98, Dupree, South Dakota.

In case of mail delivery, this is the full address you should use:

1St Financial Bank Usa
Po Box 98
Dupree
South Dakota
57623-0000

To contact 1St Financial Bank Usa by phone, call: (605) 365-5191

Additional Routing Numbers for 1St Financial Bank Usa

Bank Name:	1St Financial Bank Usa
Routing Number:	91409665
Address:	Po Box 98
City:	Dupree
State:	South Dakota
Zip Code:	57623-0000
Phone Number:	(605) 365-5191

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This page has the contact information and routing numbers for 1St Financial Bank Usa.

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We are working hard to keep the site updated, however, we cannot guarantee that the information on the site is fully updated at any point in time as changes may occur at any time we encourage you to validate the information with your bank.

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Routing Numbers General Information

Routing number is a 9 digit number given to a bank by the ABA (American Bankers Association) in order to recognize the bank for which payment is being sent to.

Routing numbers are often called ABA numbers, Check routing numbers, or Routing transit numbers (RTN).

Routing numbers change from bank to bank and from one bank location to another, there are also different routing numbers for different transactions.

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