1NB is here to help you find the financial resources you need.
1NB bolsters our communities through donations to schools, nonprofits and other civic organizations each year. Fill out our donation application to request a contribution today.
Online and Mobile Banking
Oklahoma’s original bank has evolved over the decades to fit your banking needs. Manage your money from your mobile phone or personal computer when you sign up for online banking with 1NB.
Browse all property available for sale from our Repo Department. Contact our Repo Department for questions and to make offers at: (580) 221-1171
Statement of Condition
Learn more about 1NB’s current financial condition in our latest statement.
Applications and Forms
Still Have Questions?
1NB’s financial professionals are ready to assist you.
Helpful Support Numbers
Lost/Stolen Debit Card: 1-800-523-4175
Debit/ATM Card Activation: 1-866-985-2273
PIN Change: 1-866-985-2273