About Sunflower Bank, N.A.

Operating as Sunflower Bank and First National 1870, Sunflower Bank, N.A. provides relationship-focused services and financial solutions to meet your personal, business, and wealth management financial objectives.

Whether you know us as Sunflower Bank or First National 1870, our philosophy is simple: we offer a full range of financial products that create possibility in the lives we touch and the communities we serve. We value the needs of each customer and partner with them to help achieve their goals through innovative solutions and locally informed decision-making. 

We are proud of our longevity and the long-term relationships it represents. Founded in 1892, for generations, we’ve helped valued customers across our expanding footprint realize their dreams through our financial solutions. We operate as First National 1870 in Albuquerque, Los Alamos, and Santa Fe, NM, to honor its founding in 1870 as the first bank in the Southwestern US. 

Our Growth

Sunflower Bank, N.A. has $8.2 billion in assets as of March 31, 2025, headquarters in Dallas, TX, 71 licensed depository branches, and mortgage capabilities in 43 states. FirstSun Capital Bancorp (NASDAQ: FSUN) is the financial holding company for Sunflower Bank, N.A.

green check mark

$8.2 billion in assets

green check mark

71 licensed branches

green check mark

Originate mortgages 

in 43 states

Get to Know Sunflower Bank

  • house with man in suit inside icon

    Company Culture

    Sunflower Bank is more than just another place to work. See why our people love to work here.

    Learn More in Company Culture
  • Hands coming together icon

    Community Involvement

    We believe in creating possibility at both the individual and community level. It’s about creating a legacy that makes us proud and provides a solid foundation for the future.

    Learn More in Community Involvement
  • Book icon

    Our Clients' Success

    We have the opportunity to work with amazing clients. The stories of how they found success are inspirational. It is a privilege to serve as their financial partner.

    Learn More in Our Clients' Success

Company Achievements

bauerfinancial logo surrounded by a circle reading "our bank is rated 5-stars by bauer awarded june 2025"


BauerFinancial 5-Star Rated Bank, June 2025

We are proud to be recognized as a BauerFinancial 5-Star rated bank for another consecutive quarter. The designation represents a Superior rating and recommendation from this leading independent bank research firm.