The routing number for 1St Natl Bk & Tr Co Willis is 91310770.

1St Natl Bk & Tr Co Willis is located at this address: Post Office Box 1827, Williston, North Dakota.

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

1St Natl Bk & Tr Co Willis
Post Office Box 1827
Williston
North Dakota
58802-1827

To contact 1St Natl Bk & Tr Co Willis by phone, call: (701) 577-2113

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