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Bank Routing Number

First Northern Bank of Wyoming Routing Number

The primary ABA routing number (RTN) for First Northern Bank of Wyoming, Buffalo, WY is shown below.

Primary ABA / RTN
102300459
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 First Northern Bank of Wyoming routing number?

The First Northern Bank of Wyoming routing number is 102300459. It is the primary ABA routing transit number registered to First Northern Bank of Wyoming, headquartered in Buffalo, WY. 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 First Northern Bank of Wyoming wire routing number?

This page lists 102300459, the primary routing number registered to First Northern Bank of Wyoming. 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 First Northern Bank of Wyoming before sending a wire.

Is ABA number 102300459 the routing number for First Northern Bank of Wyoming?

Yes. ABA number 102300459 is the primary routing number registered to First Northern Bank of Wyoming. 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 102300459?

Routing number 102300459 belongs to First Northern Bank of Wyoming, headquartered in Buffalo, WY. It is the bank's primary ABA routing number (FDIC certificate 2208).

Routing numbers of similar-size institutions in Wyoming

Bank, Buffalo, WY
Buffalo Federal Bank: 302373011
Bank, Douglas, WY
The Converse County Bank: 102301542
Bank, Casper, WY
Hilltop National Bank: 102301199
Credit union, Laramie, WY
Uniwyo Federal Credit Union: 307086882
Bank, Torrington, WY
Platte Valley Bank: 102306699
Bank, Cody, WY
Pinnacle Bank - Wyoming: 102301513
Credit union, Cheyenne, WY
Meridian Trust Federal Credit Union: 307086701
Bank, Gillette, WY
First National Bank of Gillette: 102301050

All routing numbers in Wyoming

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