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Bank Routing Number

American State Bank & Trust Company of Williston Routing Number

The primary ABA routing number (RTN) for American State Bank & Trust Company of Williston, Williston, ND is shown below.

Primary ABA / RTN
091300515
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 American State Bank & Trust Company of Williston routing number?

The American State Bank & Trust Company of Williston routing number is 091300515. It is the primary ABA routing transit number registered to American State Bank & Trust Company of Williston, headquartered in Williston, ND. 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 American State Bank & Trust Company of Williston wire routing number?

This page lists 091300515, the primary routing number registered to American State Bank & Trust Company of Williston. 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 American State Bank & Trust Company of Williston before sending a wire.

Is ABA number 091300515 the routing number for American State Bank & Trust Company of Williston?

Yes. ABA number 091300515 is the primary routing number registered to American State Bank & Trust Company of Williston. 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 091300515?

Routing number 091300515 belongs to American State Bank & Trust Company of Williston, headquartered in Williston, ND. It is the bank's primary ABA routing number (FDIC certificate 15444).

Routing numbers of similar-size institutions in North Dakota

Bank, Williston, ND
First State Bank & Trust: 091310770
Credit union, Williston, ND
Western Cooperative Credit Union: 291379142
Bank, Jamestown, ND
Unison Bank: 091310495
Bank, Arthur, ND
Banknorth: 091305044
Bank, Drayton, ND
Kodabank: 091309736
Bank, Cavalier, ND
United Valley Bank: 091301640
Credit union, Minot, ND
Town & Country Credit Union: 291378871
Bank, Fargo, ND
American Federal Bank: 291271004

All routing numbers in North Dakota

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