GNB Bank

  • Bank Name:GNB Bank
  • Bank Class:State Chartered - FED Member Bank
  • Member FDIC:Certificate #14079
  • Routing Number:ACH & Wire - 073905064
  • Locations:8 Branches in Iowa
  • Web Address:gnbbank.com
Headquarters:529 G Ave, Grundy Center, Iowa 50638

GNB Bank Information

GNB Bank was founded in March 1934 and is based in Grundy Center, Iowa. The bank operates as a subsidiary of Gnb Bancorporation. According to the Federal Deposit Insurance Corporation records and based on the institution's charter type, GNB Bank is classified as a commercial bank, state charter and Fed member, supervised by the Federal Reserve (FRB). GNB Bank is a FDIC-insured bank with certificate number of 14079. The assigned Fed RSSD ID of GNB Bank is 724744.

GNB Bank currently operates with 8 branches located in Iowa. GNB Bank is the 37th largest bank in Iowa. The bank does not have any offices outside Iowa.

A routing number is a nine-digit code used to identify a financial institution. The bank has one routing number in our database and the routing number for GNB Bank is 073905064. This routing number is necessary to process ACH transfers, wire transactions, direct deposits, bill payments, and other monetary transfers within the US.

The full address of bank headquarters is 529 G Ave, Grundy Center, IA 50638. You can visit the official website of the bank at https://www.gnbbank.com for more information and online banking service if available. For a comprehensive list of GNB Bank branches, including detailed information such as hours of operation, contact numbers, addresses, available services, and more, please narrow your search by selecting a location from the map or list below.

Map Of Branch Locations

Bank Offices In Iowa

650 Main Street, Ackley 50601
103 E Center, Conrad 50621
408 Front Street, Geneva 50633
529 G Ave, Grundy Center 50638
315 Main Street, Iowa Falls 50126
300 East Main Street, Manchester 52057
2504 South 2nd Street, Marshalltown 50158
Story City
S
629 Broad Street, Story City 50248

History Of GNB Bank

GNB Bank, originally established as The Grundy National Bank of Grundy Center on March 16, 1934, is a financial institution headquartered in Grundy Center, Iowa. Over the years, the bank has undergone several important changes and expansions. In July 1987, GNB Bank acquired Hawkeye Bank & Trust in Grundy Center, further solidifying its presence in the local banking market. The institution transitioned to a state-chartered bank and became a member of the Federal Reserve System on December 30, 2011, changing its primary federal regulatory agency to the Federal Reserve. GNB Bank continued its growth by acquiring First State Bank in Manchester, Iowa on July 3, 2012, and Ackley State Bank in Ackley, Iowa on January 1, 2016. Additionally, GNB Bank relocated its main office to 529 G Avenue in Grundy Center, Iowa on April 1, 2014.

Below is a list of some important events in bank's history, including mergers and acquisitions.

01-01-2016Acquired Ackley State Bank in Ackley, IA.

04-01-2014Main Office moved to 529 G Ave, Grundy Center, IA 50638.

07-03-2012Acquired First State Bank in Manchester, IA.

12-30-2011Changed Primary Federal Regulatory Agency to FED.

12-30-2011Changed Bank Class to State Chartered Bank, member of the Federal Reserve System (FRS).

View 3 More Events in Bank's History …

Reviews & Complaints

Luke Lawrence
Luke Lawrence · 27 February 2023
Branch review: Manchester Branch

Don't bank at any of the GNB Bank locations in Iowa, especially the Manchester Iowa location, The bank will NOT protect your money from fraud. Had a fraud situation and long story short the bank closed the case and I'm out $1700. Simple as that.... Read more

Diane Yates Bauers
Diane Yates Bauers · 22 September 2022
Branch review: Manchester Branch

Luke -can you give more details?... Read more

Luke Lawrence
Luke Lawrence · 17 September 2022
Branch review: Manchester Branch

Dont' bank here! The bank doesn't protect your money from fraud.... Read more

Submit your comment, review or complaint about GNB Bank.

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Bank Rating & Reviews
1.3 / 5
  • Rating 1.31/

Bank rating displayed here is the average value for all GNB Bank branches. A total of 13 customers had cast their vote for 8 branches and in average, GNB Bank got a score of 1.3 out of 5 stars. The bank has 3 reviews or customer complaints filed.

Popular Branches
300 East Main Street, Manchester, IA 52057
315 Main Street, Iowa Falls, IA 50126
629 Broad Street, Story City, IA 50248
650 Main Street, Ackley, IA 50601
103 E Center, Conrad, IA 50621
2504 South 2nd Street, Marshalltown, IA 50158
529 G Ave, Grundy Center, IA 50638
Newly Opened Branches

No new branches were opened in the last 12 months...

Closed Branches

No branches were closed in the last 12 months...

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