Welcome! We are proud to welcome you to the future Sunflower Bank, First National 1870, and Guardian Mortgage family.

First National Denver, First National Rio Grande, First National Santa Fe, Capital Bank, Sunflower Bank, and Guardian Mortgage will soon come together with a commitment to Elevating the Community Banking Experience. The combined bank will be known as Sunflower Bank in Kansas, Colorado, and Missouri and First National 1870 in New Mexico and Texas.

Please download the Conversion Action Plan with required steps for all individual and commercial banking clients. We recommend that you review the guide in its entirety so you are prepared for what's to come.


Now through June 26 at 9:00 AM (MT), please access online banking using your current bank website by clicking the name below:

First National Denver   First National Rio Grande   First National Santa Fe   Capital Bank


More about us:

Sunflower Bank, First National 1870, and Guardian Mortgage will soon come together to Elevate the Community Banking Experience, demonstrating to our customers and our communities that we know what it means to build long-term relationships founded on sound principles and trust. Our philosophy is simple: we will offer a full range of financial products, intended to create possibility in the lives we touch and the communities we serve. We recognize and value the unique needs of each customer and will work to help them achieve their goals through innovative solutions delivered with a tailored approach and locally informed decision-making.

We are proud of our longevity and the long-term relationships it represents. Sunflower Bank, as we are known in Kansas, Colorado and Missouri, was founded in 1892. In the Southwest our roots date to 1870 and we will operate as First National 1870 across New Mexico and Texas. Additionally, Guardian Mortgage, which was established in 1965, will help people across our expanded footprint and beyond realize their dreams of homeownership.

New Information for Personal Banking Accounts:

For important information on personal banking accounts, please click on the appropriate welcome guide below:


Colorado Personal Welcome Guide   New Mexico Personal Welcome Guide   Texas Personal Welcome Guide


New Information for Business Banking Accounts:

For important information on business banking accounts, please click on the appropriate welcome guide below:


Colorado Business Welcome Guide   New Mexico Business Welcome Guide   Texas Business Welcome Guide




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