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Kind neighbors. Growing families. Strong businesses. From the pizza to the parks, come see why we’ve loved being part of the Mayville-Portland community since 1970.
Receive $2501 when you stop in and open a new checking account with us for the first time – exclusively at our Mayville location.
Come on Over
Come on over to your friendly neighborhood bank, located in the heart of Mayville, ND. We’d love to give you a warm welcome!
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– Arlie S., Mayville, ND
Cheer on your home team with your debit card! We’ll donate $10 to support your favorite local school, including May-Port CG Public Schools and Mayville State University.
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Luther Memorial Home in Mayville, ND, received a much‑needed bingo machine thanks in part to a Gate City Bank donation. The upgrade is enriching activities and improving quality of life for residents.
Since 2014, we’ve been honored to partner with Dakota Medical Foundation – donating countless volunteer hours and dollars to benefit local charities across North Dakota and Minnesota.
We’re proud to serve our nation’s finest. Learn about our long history of honoring service members and their loved ones through VA loans, veteran charities and military support.
1 Offer valid September 17-18, 2026. Not valid with other checking offers. Customer must be a first-time Gate City Bank checking customer and at least 10 years of age, and account must be opened in person at the Mayville Gate City Bank location. $250 will be deposited into qualifying accounts by November 18, 2026; recipients will receive a 1099-INT or 1042-S form. Account must be open and maintain a positive balance to receive the credit. $50 minimum deposit to open, and $250 bonus does not count toward minimum deposit. Gate City Bank reserves the right to decline opening an account based on account opening criteria, type of referral source or applications opened outside of North Dakota and Minnesota.