Welcome to NSB Bank Online!

Located at the top of Iowa, NSB Bank has been taking care of their valued customers for over 80 wonderful years. NSB is independently owned -- That means quick decisions, greater flexibility and quicker response time for your requests.


Mission Statement

While meeting the financial needs of our customers is the prime responsibility of every employee, we are committed to providing a level of service second to none.

We pledge, every minute of every day, to make banking an enjoyable experience and to make the NSB experience a warm and refreshing break in our customers’ otherwise demanding lives.

 Girls SC




 Shazam Bolt



















Electronic Banking

Bill Pay

NSB's Bill Pay product lets you pay your bills from any where you want.  You just need to log into our Internet Banking product and then start paying bills.  It's as easy as that.  To get signed up for Bill Pay just talk to one of our New Account Representatives and they can get you on your way to paying bills faster then ever. 

You will no longer need stamps, checks and  you will be able to pay at any time.

NSB Mobiliti

This product is something that will let you do all your banking from your cell phone. You no longer have to wait to get home to do your transactions, see your balances and/or pay a bill. It can all be done on your phone. There are 3 delivery methods--text messages, mobile browser, and a downloadable application. For more information on this product click here or call one of our full service branches to learn more.

Check Card

The NSB Check Card lets you make transactions at any ATM machine or pay for purchases from your checking account, without writing a check. It can be used at any retailer who accepts SHAZAM or VISA. It's fast, easy, safe and hassle free. For more information please contact Kim, Joann or Misty in Northwood, or Paige, Anna, and Ginger in Mason City or e-mail us.


Shazam Bolt

Shazam Bolt is a FREE Debit Card email alert service that will protect you against potential fraudulent activity. You can receive fraud email alerts on your smartphone, tablet, or computer and can check account balances anytime.....anywhere! For more information stop by in at your nearest NSB location or click here .


Credit Cards

  • Visa
  • Mastercard
  • Visa Gold
  • Affinity Cards

To apply, e-mail us for an application.

Loans By Phone

For your next auto loan or personal loan, call Andy or Aaron in Northwood, Kirk, Barrett, Steve, Bill, Jeff and Drew in Mason City to put in your loan application right over the phone! If you prefer, e-mail us and a loan officer will contact you.


NSB’s eStatements gives you your statement in an electronic format that makes it quick and easy to receive and view. You will no longer have to wait those extra few days to get your paper statement. To sign up to receive your estatement, just stop by one of our offices or print the e disclosure off the website and bring it in. Its as Easy as 1, 2, E…..

Online Banking

Online Banking allows you daily access to your transactions and it's free! Visit our Online Banking information page to learn how to access your Online Banking account.