GNB Bank – Head Office Branch, Grundy Center IA 50638
GNB Bank’s Head Office branch, located at 529 G Ave, Grundy Center, IA 50638, provides a full range of banking services for individuals and businesses. As a nationally recognized bank with FDIC insurance (Certificate #14079), GNB Bank ensures your funds are secure while delivering exceptional customer service. With 8 Offices in Iowa, GNB Bank is dedicated to helping the Grundy Center community manage finances conveniently and efficiently.
The Head Office branch is a Full Service Office ready to assist with personal banking, business accounts, loans, and more. Knowledgeable staff offer expert guidance and modern banking solutions. Visit today or call 319-824-5431 to experience trusted, professional banking in Iowa.
GNB Bank Head Office Branch Details
Want to know when this branch is open? Check Opening Hours for up-to-date timings and details.
| Branch Name | Head Office |
| Phone Number | 319-824-5431 |
| Office Address | 529 G Ave, Grundy Center, IA 50638 |
| Service Type | Full Service Office |
| State / County | Iowa - Grundy |
| City / Town | Grundy Center |
| Zip Code | 50638 |
Looking for other locations or nearby branches? Find more banks and branches to explore complete details and contacts.
| Bank Type | Federal Reserve Member Bank |
| FDIC Insurance | Certificate #14079 |
| Website | gnbbank.com |
| Branch Count | 8 Offices in Iowa |
Last Verified: August 2025
GNB Bank Head Office Branch Hours of Operation
Every branch has its own set of hours; we‘ve listed the daily hours for the main headquarters branch below. It also applies to a variety of other branches; however, you should check your particular branch for more current and up-to-date information.
| Day | Hours of Operation |
|---|---|
| Monday | 9:00 am - 5:00 pm |
| Tuesday | 9:00 am - 5:00 pm |
| Wednesday | 9:00 am - 5:00 pm |
| Thursday | 9:00 am - 5:00 pm |
| Friday | 9:00 am - 6:00 pm |
| Saturday | 9:00 am - 6:00 pm |
| Sunday | closed |
Frequently Asked Questions (FAQs)
What services are offered at GNB Bank Head Office?
The Head Office branch offers full-service banking including personal accounts, business accounts, loans, mortgages, and financial advice.
Is GNB Bank Head Office FDIC insured?
Yes, GNB Bank is FDIC insured under Certificate #14079, ensuring your deposits are safe and secure.
What are the branch hours for GNB Bank Head Office?
Branch hours may vary. It's recommended to visit gnbbank.com or call 319-824-5431 for the most accurate schedule.
How can I contact GNB Bank Head Office?
You can call the branch at 319-824-5431 or visit in person at 529 G Ave, Grundy Center, IA 50638, Grundy Center, IA 50638.
How many GNB Bank branches are there?
GNB Bank operates 8 Offices in Iowa, including the Grundy Center, Iowa branch.