Turtle Mountain Bank Online Banking Login

Turtle Mountain Bank began operations in 2007. The bank offers  personal and commercial banking services and is headquartered in Belcourt, North Dakota.

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Turtle Mountain Bank makes your banking easy and convenient through its Online Banking. Turtle Mountain Bank Online Banking service is offered free of charge and allows its customers access to their bank accounts at their convenient time via the internet from the comfort of their homes or offices, twenty-four hours a day. The guide below will help Turtle Mountain Bank customers log in, reset forgotten password and enroll for the online banking service.


For Turtle Mountain Bank Online Banking customer to access the service, he or she must have enrolled for the online banking service. If you have valid Online Banking credentials, consider this guide to login:

Step 1- Go to http://www.tmstatebank.com/ to access Turtle Mountain Bank website

Step 2- In the homepage, enter your Login ID, then click Login button shown below


Step 3- Please enter your password, then click Submit


The bank will validate your login credentials before granting you access to the Online Banking platform


It’s possible to reset forgotten online banking password for Online Banking customers in Turtle Mountain Bank. Please follow this guide to reset your forgotten online banking password:

Step 1- To reset your forgotten password,  click the Forgot Password? link shown below, in the bank’s homepage,


Step 2- Please enter your Access ID, Last 4 Digits of Tax ID Number and Email Address, then click Submit


You will receive your password via E-mail


To access the convenient of online banking platform in Turtle Mountain Bank, you must enroll for the service. Please follow these online enrollment steps:

Step 1- In the bank’s homepage, click the Enroll link shown below


Step 2- Please fill in the First Time Login form, then click Submit


After establishing identity, the bank will approve your Online Banking credentials


Turtle Mountain Bank Online Banking allows customers to:

  • Transfer funds
  • Check balances
  • See check images on the spot
  • Download account information into third party money management software applications

Federal Holiday Schedule for 2022 & 2023

These are the federal holidays of which the Federal Reserve Bank is closed.
Turtle Mountain Bank and other financial institutes are closed on the same holidays.

Holiday 2022 2023
New Year's Day December 31 January 2
Martin Luther King Day January 17 January 16
Presidents Day February 21 February 20
Memorial Day May 30 May 29
Juneteenth Independence Day June 20 June 19
Independence Day July 4 July 4
Labor Day September 5 September 4
Columbus Day October 10 October 9
Veterans Day November 11 November 10
Thanksgiving Day November 24 November 23
Christmas Day December 26 December 25

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