Contact Us

Mahnomen Location                                             Twin Valley Location

First National Bank                                                First National Bank
PO Box 378, 103 North Main St                             PO Box 247, 205 Main Ave W
Mahnomen, Minnesota 56557                               Twin Valley, MN 56584                
Phone: 218-935-5251                                           Phone: 218-584-5161
Fax: 218-935-2794                                                Fax: 218-584-5160


Toll-free: 1-877-935-5251
24-Hour TeleBanc: 1-800-933-5814                                                  

Lobby Hours at both locations: Monday - Friday 8:30 am - 4:00 pm

Drive Up Hours at both locations: Monday - Friday 8:30am - 4:30pm

 
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