GNB Bank Login, Activation and Other Information

GNB Bank logo

GNB Bank provides online banking facility to all it’s users. Using the online banking, customers can access their bank account online without the need of visiting any branch.

A convenient and easy to use online platform is provided to users to manage the bank account online. After logging into your bank account, you can transfer funds, and pay bills online.

Below you will find information about how to login, recovering your bank account credentials (Username/Password), activating your account and contacting support.

Quick Facts about GNB Bank

GNB Bank was established in the year 1934 and is headquartered in Grundy Center. Currently, the bank employs over 121 people across its 11 branches in the US.

  • Branch Locations: Link
  • Routing/Swift Code: 073905064/Not Part of SWIFT Network.
  • Phone Number: 1.800.545.0172
  • HQ Address: 529 G Ave, Grundy Center, IA, 50638
  • Website:
  • Mobile AppAndroid/iOS
  • Social MediaFB/Twitter

GNB Bank Login

Follow the steps given below to sign in into your bank account:

Step 1: Go to GNB Bank login Page.

GNB Bank login
Step 2: Enter your ‘Username‘ and click on ‘Go‘ button.
Step 3: On the next page enter your ‘Password‘ in the space provided.
Step 4: Finally click on ‘Submit‘ button.

After following the steps given above, you will be able to login in your account.

GNB Bank Enroll/Activation

To activate your GNB Bank online account, follow the steps given below:

Step 1: First, open GNB Bank Url. (Link will open in new tab)
GNB Bank enroll/activation
Step 2: Click on “Enroll” button.
Step 3: On the next page, fill up the required fields and hit “Submit” button.

If you have followed the above steps, your bank account will be successfully activated.

Forgot Username/Password

In this article, you’ll learn how to recover your Username or Password. Refer the guide given below :

Step 1: First, visit GNB Bank homepage in your browser. (Opens in New tab)
GNB Bank recover
Step 2: Next, click on “Forgot Password?” button.
Step 3:  You will be requested to provide following data to retrieve your credentials:

  • SSN ID
  • Full Name (First/Middle/Last Name)
  • Answers to security questions


Step 4: Click on “Submit” button.

Following above steps, you will be able to recover your credentials. If you encounter any difficulty, contact customer support.

GNB Bank Information

SummaryFinancial Details
Bank Holding Company (Regulatory Top Holder)Gnb Bancorporation
FDIC Number14079
Establishment Date3-16-1934
HQ Address529 G Ave, Grundy Center, IA, 50638
Number of Domestic Branches11
Number of Foreign Branches0
Number of Employees121
Number of EmployeesFED
Asset Under Managment536194 Million Dollars
Cash & Balances due from depository institutions13045 Million Dollars
Interest-bearing balances5192 Million Dollars
Total Securities80943 (in million dollar)
Net loans and leases404240 (in million dollar)
Trading account assets0 (in million dollar)
Total deposits422902 (in million dollar)
Interest-bearing deposits361873 (in million dollar)
Percentage insured (estimated)80.19473 %

Frequently Asked Questions (FAQ) 

Q. Does GNB Bank offer online banking facility?
A. Yes, you can login to your account by visiting –

Q. Where is headquarters of GNB Bank?
A. GNB Bank headquarters is located in Grundy Center and its address is  529 G Ave, Grundy Center, IA, 50638.

Q. How can I locate GNB Bank branches?
A. Navigate to the branch locator page of the bank – Link.

Q. How can I contact GNB Bank customer support?
A. Call on 1.800.545.0172 to talk to your bank representative.

Q. What is the routing code of GNB Bank?
A. The routing code of the bank is 073905064.

Updated on: 03/12/2017