Native American Bank


Native American Bank
Native American Bank


Native American Bank

Contact Us 

Please note that any information you send to Native American Bank, N.A. via email or through the website is sent via an unsecured link. Due to the nature of the Internet, there is a possibility that unsecured (unencrypted) email could be intercepted and read by third parties. We assume no responsibility for interception of confidential information you send in an unsecured (unencrypted) email message.

At Native American Bank we value and respect each of our customers and continually strive to provide each customer with professional and personal attention. Please view our locations and services offered at each location. As NAB is planning on adding new locations please check back periodically.

As of January 7, 2022, both our Denver, CO and Browning, MT branches are closed to the public without appointments. To schedule an appointment at the Denver, CO location, please call 720-963-5511 or email To schedule an appointment at the Browning, MT location, please call 406-338-7000 or We will return any voicemails and emails quickly. Appointments need to be made for anyone wishing to open a new account in person.

Services that are open to customers at this time include:

  • The Dual Lane Drive Thru (MT location only) is open during business hours to process deposits, withdrawals, and to pickup or drop off account paperwork.
  • NAB ATMs can processes both deposits and withdrawals and are available 24/7. Deposits made at the ATM after 1:30pm MST M-F will be processed the next business day.
  • Online eBanking can be used to make payments and funds transfers .
  • Mobile App can accept check deposits and perform transfers. Checks deposited after 4pm MST M-F will be processed the next business day.
  • New personal accounts can be opened via our website, by clicking the Open an Account! Fast & Easy button at the top of the home screen.
  • Night Depository Envelope Drop (MT location only) can be used to drop off deposits and account paperwork. It is located by the front door of the Browning, MT branch.

Our branches are available during business hours to answer the phones and return any detailed voicemails that we receive. Please be aware that call volumes will increase during this time. We ask for your patience as we handle the influx of calls. The branch phone numbers are listed in the location details below. Please use the following customer service phone numbers for at-home help for your banking issues:

  • Lost or Stolen Debit Cards:  866-546-8273
  • Fraud Center:  800-417-4592
  • Telebanking & card PIN reset:  866-770-0507

As always, a top priority of NAB is the safety of our employees and guests. Thank you for your understanding and cooperation during these challenging times.

Denver, CO (Corporate Office and Retail Branch)

Headquartered in Denver, Colorado Native American Bank’s Denver office serves customers across the country as well as those in the Denver Metro area. Please call NAB’s Denver Office representative for available services.

Native American Bank, N.A.
201 N. Broadway
Denver, CO 80203

Denver Branch 720.963.5511
Denver Office 303.988.2727
Main Fax 303.988.5533
9-5 Monday – Friday



  • Commercial Lending
  • Credit Administration
  • Finance
  • Human Resources
  • Operations
  • New Accounts – Personal and Business
  • Cash Management Services
  • HUD Title VI Loan Program

Browning, MT (Retail Branch)

Native American Bank’s Blackfeet Nation Branch is a full-service branch which serves the Blackfeet Indian Reservation and surrounding communities.

Native American Bank, N.A.
105 North Public Square
P.O. Box 730
Browning, MT 59417

Fax 406.338.7008
9-4 Monday – Thursday
9-5 Friday


  • Commercial and Agricultural Lending
  • Consumer Lending
  • New Accounts – Personal and Business
  • Cash Management Services

Denver, CO

  • Native American Bank – 201 N. Broadway

Browning, MT

  • Native American Bank – Blackfeet: 105 North Public Square

Native American Bank offers FREE ATM access at the locations below:

Native American Bank Logo

Open an Account!  Fast & Easy

Native American Bank Logo