Routing Number: 103112675
  • Welcome to the new website
    Welcome to FSNBs Newly
    Designed Website!
    FSNB strives to provide its customers a great online experience.
    The design is responsive & flexible and will work well with
    mobile browsers and tablets.
  • Secure Rewards Checking
    Open a Secure Rewards Checking Account.
    Protect yourself with Secure Rewards Payment Card Protection
    and more!
  • Mobile Banking
    Guy with phone taking a selfie on the beach
    When making travel plans, remember that FSNB is travel size.
    No matter where you go, FSNB can stay by your side with mobile banking.
  • Credit Card magnetic strip warning
    Visa Debit Card
    Magnetic fields can deactivate debit and credit cards
    Avoid contact with things that have magnetic fields.
Warning! Please do not share your Online Banking log on information with anyone! For more information on how to protect your finances Learn More

FSNB Accounts & Services

Why Choose Us

Cordova Customer Testimonial

Ms. Ikerd told us, “Everyone at the Cordova branch are so friendly, I don’t have to wait and they always ask me if I need anything. This is a wonderful branch of friendly and knowledgeable employees.” VIEW ALL

Youree Customer Testimonial

Ms. Hunter wanted us to know, “When I come into the Youree branch I’m always treated well and never have to wait long to be taken care of, I love you guys.” VIEW ALL

Valued Customer Testimonial

Ms. Miller said, “Debra (Collections) was so caring and understanding when I was explaining my situation she really empathized with me, I will never forget this experience and Debra helped me keep faith in people.” VIEW ALL

About Us

FSNB History

FSNB, formerly Fort Sill National Bank, has a 70 year tradition of distinguished banking service to both the military and civilian communities.

Read More


See All Locations