Jonah Bank of Wyoming Routing Number

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 Jonah Bank of Wyoming routing number?

The Jonah Bank of Wyoming routing number is 102307119. It is the primary ABA routing transit number registered to Jonah Bank of Wyoming, headquartered in Casper, 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 Jonah Bank of Wyoming wire routing number?

This page lists 102307119, the primary routing number registered to Jonah 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 Jonah Bank of Wyoming before sending a wire.

Is ABA number 102307119 the routing number for Jonah Bank of Wyoming?

Yes. ABA number 102307119 is the primary routing number registered to Jonah 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 102307119?

Routing number 102307119 belongs to Jonah Bank of Wyoming, headquartered in Casper, WY. It is the bank's primary ABA routing number (FDIC certificate 58396).

Routing numbers of similar-size institutions in Wyoming

Bank, Casper, WY

Hilltop National Bank: 102301199

Credit union, Casper, WY

Pathfinder Federal Credit Union: 302386477

Bank, Sheridan, WY

First Federal Bank & Trust: 302373118

Bank, Gillette, WY

First National Bank of Gillette: 102301050

Credit union, Green River, WY

Trona Valley Community Federal Credit Union: 302386765

Bank, Basin, WY

Security State Bank: 102301911

Credit union, Cheyenne, WY

Meridian Trust Federal Credit Union: 307086701

Bank, Afton, WY

The Bank of Star Valley: 102306356

All routing numbers in Wyoming