FSNB Login

Video demonstration and instructions on how to use the FSNB Login:

Follow These Steps to access you account:

1. First Enter the FSNB Login address or URL into the address bar of your browser:


2. Then on the empty text field next to LOGIN ID, enter your Username or your User ID and click the LOGIN button

3. Next on the empty text field next to PASSWORD, enter your Password

4. Then click the LOGIN button to proceed to your account

5. Make sure you check your credentials as most login pages are case-sensitive


Are you having trouble logging in?

If you're still having trouble logging in, you can follow these steps to retrieve or reset your PASSWORD:

1. Under the text field of the Password, click the link that says FORGOT PASSOWORD? 

2. Then follow the instructions there and provide the needed information to retrieve or reset your Username. In this case you will be presented with the Challenge Question page wherein you will have to answer the challenge question

3. Once you are able to answer correctly, the reset password will be emailed to the email address registered to your account

Are you still having trouble logging in? No worries, simply contact FSNB directly and get help with your FSNB Login:

Mailing Address
Fort Sill National Bank P.O. Box 33009
Fort Sill, Oklahoma 73503-9989

Phone Numbers
United States:
1-(580) 357-9880
1 (800) 749-4583
Fax: 1(580) 248-8047 United Kingdom:
0800-893-442 Germany:
0130-821-262 Korea:
FSNB PVT Access (Automated telephone access to your account)
1-(800) 355-2140 or 1-(580) 355-2184

Email Addresses

General inquiries only. Please do not send account number, social security number, or other sensitive account information. For account information please log in to your online banking session and choose the message option.

Free Live Customer Service 6 days a week: 580-357-9880/1-800-749-4583
Weekdays: 7:00 am to 7:00 pm CST
Saturdays: 8:00 am to 1:00 pm CST
Closed: Federal Holidays/Special Hours during a Holiday
Free Automated Phone Service 24/7: 580-355-2184/1-800-355-2140