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Notice of change in business hours effective January 2, 2025
All GNB Bank locations* will have the following lobby and drive-up hours:
Monday - Friday: 8:30 am - 4:30 pm. Closed Saturday.
*Geneva location - Monday - Friday: 8:30 am - 11:30 am. Closed Saturday.
 
We’re here to help you with your banking and lending needs! Feel free to call or stop by any of our eight locations during business hours.

Type

Location Types

Services

Location Services

State

State

  • Ackley

    Lobby & Drive-Up: Open Wednesday Until 4:30 PM

  • Conrad

    Lobby & Drive-Up: Open Wednesday Until 4:30 PM

  • Geneva

    Lobby & Drive-Up: Opens Tomorrow At 8:30 AM

  • Grundy Center

    Lobby & Drive-Up: Open Wednesday Until 4:30 PM

  • Grundy Center Loan Bank

    Lobby: Open Wednesday Until 4:30 PM

  • Iowa Falls

    Lobby & Drive-Up: Open Wednesday Until 4:30 PM

  • Manchester

    Lobby & Drive-Up: Open Wednesday Until 4:30 PM

  • Marshalltown

    Lobby & Drive-Up: Open Wednesday Until 4:30 PM

  • Story City

    Lobby & Drive-Up: Open Wednesday Until 4:30 PM

Ackley

Lobby & Drive-Up: Open Wednesday Until 4:30 PM

  • Phone: 641-847-2651
  • Toll Free: 1-800-864-4689

View Location Details

Today's Hours

  • Lobby & Drive-Up Open Wednesday Until 4:30 PM

View All Hours

Lobby & Drive-Up
  • Wednesday: 8:30 AM to 4:30 PM
  • Thursday: 8:30 AM to 4:30 PM
  • Friday: 8:30 AM to 4:30 PM
  • Saturday: Closed
  • Sunday: Closed
  • Monday: 8:30 AM to 4:30 PM
  • Tuesday: 8:30 AM to 4:30 PM

Conrad

Lobby & Drive-Up: Open Wednesday Until 4:30 PM

  • Phone: 641-366-3898
  • Toll Free: 1-866-456-3898

View Location Details

Today's Hours

  • Lobby & Drive-Up Open Wednesday Until 4:30 PM

View All Hours

Lobby & Drive-Up
  • Wednesday: 8:30 AM to 4:30 PM
  • Thursday: 8:30 AM to 4:30 PM
  • Friday: 8:30 AM to 4:30 PM
  • Saturday: Closed
  • Sunday: Closed
  • Monday: 8:30 AM to 4:30 PM
  • Tuesday: 8:30 AM to 4:30 PM

Geneva

Lobby & Drive-Up: Opens Tomorrow At 8:30 AM

  • Phone: 641-458-8200

View Location Details

Today's Hours

  • Lobby & Drive-Up Opens Tomorrow At 8:30 AM

View All Hours

Lobby & Drive-Up
  • Wednesday: 8:30 AM to 11:30 AM
  • Thursday: 8:30 AM to 11:30 AM
  • Friday: 8:30 AM to 11:30 AM
  • Saturday: Closed
  • Sunday: Closed
  • Monday: 8:30 AM to 11:30 AM
  • Tuesday: 8:30 AM to 11:30 AM

Grundy Center

Lobby & Drive-Up: Open Wednesday Until 4:30 PM

  • Phone: 319-824-5431
  • Toll Free: 1-800-545-0172

View Location Details

Today's Hours

  • Lobby & Drive-Up Open Wednesday Until 4:30 PM

View All Hours

Lobby & Drive-Up
  • Wednesday: 8:30 AM to 4:30 PM
  • Thursday: 8:30 AM to 4:30 PM
  • Friday: 8:30 AM to 4:30 PM
  • Saturday: Closed
  • Sunday: Closed
  • Monday: 8:30 AM to 4:30 PM
  • Tuesday: 8:30 AM to 4:30 PM

Grundy Center Loan Bank

Lobby: Open Wednesday Until 4:30 PM

  • Phone: 319-824-5431
  • Toll Free: 1-800-545-0172

View Location Details

Today's Hours

  • Lobby Open Wednesday Until 4:30 PM

View All Hours

Lobby
  • Wednesday: 8:30 AM to 4:30 PM
  • Thursday: 8:30 AM to 4:30 PM
  • Friday: 8:30 AM to 4:30 PM
  • Saturday: Closed
  • Sunday: Closed
  • Monday: 8:30 AM to 4:30 PM
  • Tuesday: 8:30 AM to 4:30 PM

Iowa Falls

Lobby & Drive-Up: Open Wednesday Until 4:30 PM

  • Phone: 641-648-3761
  • Toll Free: 1-855-268-7323

View Location Details

Today's Hours

  • Lobby & Drive-Up Open Wednesday Until 4:30 PM

View All Hours

Lobby & Drive-Up
  • Wednesday: 8:30 AM to 4:30 PM
  • Thursday: 8:30 AM to 4:30 PM
  • Friday: 8:30 AM to 4:30 PM
  • Saturday: Closed
  • Sunday: Closed
  • Monday: 8:30 AM to 4:30 PM
  • Tuesday: 8:30 AM to 4:30 PM

Manchester

Lobby & Drive-Up: Open Wednesday Until 4:30 PM

  • Phone: 563-927-3814
  • Toll Free: 1-800-313-3814

View Location Details

Today's Hours

  • Lobby & Drive-Up Open Wednesday Until 4:30 PM

View All Hours

Lobby & Drive-Up
  • Wednesday: 8:30 AM to 4:30 PM
  • Thursday: 8:30 AM to 4:30 PM
  • Friday: 8:30 AM to 4:30 PM
  • Saturday: Closed
  • Sunday: Closed
  • Monday: 8:30 AM to 4:30 PM
  • Tuesday: 8:30 AM to 4:30 PM

Marshalltown

Lobby & Drive-Up: Open Wednesday Until 4:30 PM

  • Phone: 641-753-4040
  • Toll Free: 1-855-493-9883

View Location Details

Today's Hours

  • Lobby & Drive-Up Open Wednesday Until 4:30 PM

View All Hours

Lobby & Drive-Up
  • Wednesday: 8:30 AM to 4:30 PM
  • Thursday: 8:30 AM to 4:30 PM
  • Friday: 8:30 AM to 4:30 PM
  • Saturday: Closed
  • Sunday: Closed
  • Monday: 8:30 AM to 4:30 PM
  • Tuesday: 8:30 AM to 4:30 PM

Story City

Lobby & Drive-Up: Open Wednesday Until 4:30 PM

  • Phone: 515-733-2816
  • Toll Free: 1-866-733-2816

View Location Details

Today's Hours

  • Lobby & Drive-Up Open Wednesday Until 4:30 PM

View All Hours

Lobby & Drive-Up
  • Wednesday: 8:30 AM to 4:30 PM
  • Thursday: 8:30 AM to 4:30 PM
  • Friday: 8:30 AM to 4:30 PM
  • Saturday: Closed
  • Sunday: Closed
  • Monday: 8:30 AM to 4:30 PM
  • Tuesday: 8:30 AM to 4:30 PM
Ackley Branch

Ackley

Lobby & Drive-Up: Open Wednesday Until 4:30 PM

View Location Details

Address

650 Main St, Box 149
Ackley, IA 50601

Phone

  • Phone: 641-847-2651
  • Toll Free: 1-800-864-4689

Today's Hours

  • Lobby & Drive-Up Open Wednesday Until 4:30 PM

View All Hours

Lobby & Drive-Up
  • Wednesday: 8:30 AM to 4:30 PM
  • Thursday: 8:30 AM to 4:30 PM
  • Friday: 8:30 AM to 4:30 PM
  • Saturday: Closed
  • Sunday: Closed
  • Monday: 8:30 AM to 4:30 PM
  • Tuesday: 8:30 AM to 4:30 PM
Conrad Location

Conrad

Lobby & Drive-Up: Open Wednesday Until 4:30 PM

View Location Details

Address

103 E Center St, Box 400
Conrad, IA 50621

Phone

  • Phone: 641-366-3898
  • Toll Free: 1-866-456-3898

Today's Hours

  • Lobby & Drive-Up Open Wednesday Until 4:30 PM

View All Hours

Lobby & Drive-Up
  • Wednesday: 8:30 AM to 4:30 PM
  • Thursday: 8:30 AM to 4:30 PM
  • Friday: 8:30 AM to 4:30 PM
  • Saturday: Closed
  • Sunday: Closed
  • Monday: 8:30 AM to 4:30 PM
  • Tuesday: 8:30 AM to 4:30 PM
Geneva Branch

Geneva

Lobby & Drive-Up: Opens Tomorrow At 8:30 AM

View Location Details

Address

408 Front St
Geneva, IA 50633

Phone

  • Phone: 641-458-8200

Today's Hours

  • Lobby & Drive-Up Opens Tomorrow At 8:30 AM

View All Hours

Lobby & Drive-Up
  • Wednesday: 8:30 AM to 11:30 AM
  • Thursday: 8:30 AM to 11:30 AM
  • Friday: 8:30 AM to 11:30 AM
  • Saturday: Closed
  • Sunday: Closed
  • Monday: 8:30 AM to 11:30 AM
  • Tuesday: 8:30 AM to 11:30 AM
Grundy Center Location

Grundy Center

Lobby & Drive-Up: Open Wednesday Until 4:30 PM

View Location Details

Address

529 G Ave, Box 246
Grundy Center, IA 50638

Phone

  • Phone: 319-824-5431
  • Toll Free: 1-800-545-0172

Today's Hours

  • Lobby & Drive-Up Open Wednesday Until 4:30 PM

View All Hours

Lobby & Drive-Up
  • Wednesday: 8:30 AM to 4:30 PM
  • Thursday: 8:30 AM to 4:30 PM
  • Friday: 8:30 AM to 4:30 PM
  • Saturday: Closed
  • Sunday: Closed
  • Monday: 8:30 AM to 4:30 PM
  • Tuesday: 8:30 AM to 4:30 PM
Grundy Center Location

Grundy Center Loan Bank

Lobby: Open Wednesday Until 4:30 PM

View Location Details

Address

510 F Ave, Box 246
Grundy Center, IA 50638

Phone

  • Phone: 319-824-5431
  • Toll Free: 1-800-545-0172

Today's Hours

  • Lobby Open Wednesday Until 4:30 PM

View All Hours

Lobby
  • Wednesday: 8:30 AM to 4:30 PM
  • Thursday: 8:30 AM to 4:30 PM
  • Friday: 8:30 AM to 4:30 PM
  • Saturday: Closed
  • Sunday: Closed
  • Monday: 8:30 AM to 4:30 PM
  • Tuesday: 8:30 AM to 4:30 PM
Iowa Falls Location

Iowa Falls

Lobby & Drive-Up: Open Wednesday Until 4:30 PM

View Location Details

Address

315 Main St
Iowa Falls, IA 50126

Phone

  • Phone: 641-648-3761
  • Toll Free: 1-855-268-7323

Today's Hours

  • Lobby & Drive-Up Open Wednesday Until 4:30 PM

View All Hours

Lobby & Drive-Up
  • Wednesday: 8:30 AM to 4:30 PM
  • Thursday: 8:30 AM to 4:30 PM
  • Friday: 8:30 AM to 4:30 PM
  • Saturday: Closed
  • Sunday: Closed
  • Monday: 8:30 AM to 4:30 PM
  • Tuesday: 8:30 AM to 4:30 PM
Manchester Location

Manchester

Lobby & Drive-Up: Open Wednesday Until 4:30 PM

View Location Details

Address

300 E Main St, Box 439
Manchester, IA 52057

Phone

  • Phone: 563-927-3814
  • Toll Free: 1-800-313-3814

Today's Hours

  • Lobby & Drive-Up Open Wednesday Until 4:30 PM

View All Hours

Lobby & Drive-Up
  • Wednesday: 8:30 AM to 4:30 PM
  • Thursday: 8:30 AM to 4:30 PM
  • Friday: 8:30 AM to 4:30 PM
  • Saturday: Closed
  • Sunday: Closed
  • Monday: 8:30 AM to 4:30 PM
  • Tuesday: 8:30 AM to 4:30 PM
Marshalltown Location

Marshalltown

Lobby & Drive-Up: Open Wednesday Until 4:30 PM

View Location Details

Address

2504 S 2nd St, Box 736
Marshalltown, IA 50158

Phone

  • Phone: 641-753-4040
  • Toll Free: 1-855-493-9883

Today's Hours

  • Lobby & Drive-Up Open Wednesday Until 4:30 PM

View All Hours

Lobby & Drive-Up
  • Wednesday: 8:30 AM to 4:30 PM
  • Thursday: 8:30 AM to 4:30 PM
  • Friday: 8:30 AM to 4:30 PM
  • Saturday: Closed
  • Sunday: Closed
  • Monday: 8:30 AM to 4:30 PM
  • Tuesday: 8:30 AM to 4:30 PM
Story City Location

Story City

Lobby & Drive-Up: Open Wednesday Until 4:30 PM

View Location Details

Address

629 Broad St, Box 128
Story City, IA 50248

Phone

  • Phone: 515-733-2816
  • Toll Free: 1-866-733-2816

Today's Hours

  • Lobby & Drive-Up Open Wednesday Until 4:30 PM

View All Hours

Lobby & Drive-Up
  • Wednesday: 8:30 AM to 4:30 PM
  • Thursday: 8:30 AM to 4:30 PM
  • Friday: 8:30 AM to 4:30 PM
  • Saturday: Closed
  • Sunday: Closed
  • Monday: 8:30 AM to 4:30 PM
  • Tuesday: 8:30 AM to 4:30 PM
Ackley Branch

Ackley

Lobby & Drive-Up: Open Wednesday Until 4:30 PM

Address

650 Main St, Box 149
Ackley, IA 50601

Get Directions

View Location Details
Conrad Location

Conrad

Lobby & Drive-Up: Open Wednesday Until 4:30 PM

Address

103 E Center St, Box 400
Conrad, IA 50621

Get Directions

View Location Details
Geneva Branch

Geneva

Lobby & Drive-Up: Opens Tomorrow At 8:30 AM

Address

408 Front St
Geneva, IA 50633

Get Directions

View Location Details
Grundy Center Location

Grundy Center

Lobby & Drive-Up: Open Wednesday Until 4:30 PM

Address

529 G Ave, Box 246
Grundy Center, IA 50638

Get Directions

View Location Details
Grundy Center Location

Grundy Center Loan Bank

Lobby: Open Wednesday Until 4:30 PM

Address

510 F Ave, Box 246
Grundy Center, IA 50638

Get Directions

View Location Details
Iowa Falls Location

Iowa Falls

Lobby & Drive-Up: Open Wednesday Until 4:30 PM

Address

315 Main St
Iowa Falls, IA 50126

Get Directions

View Location Details
Manchester Location

Manchester

Lobby & Drive-Up: Open Wednesday Until 4:30 PM

Address

300 E Main St, Box 439
Manchester, IA 52057

Get Directions

View Location Details
Marshalltown Location

Marshalltown

Lobby & Drive-Up: Open Wednesday Until 4:30 PM

Address

2504 S 2nd St, Box 736
Marshalltown, IA 50158

Get Directions

View Location Details
Story City Location

Story City

Lobby & Drive-Up: Open Wednesday Until 4:30 PM

Address

629 Broad St, Box 128
Story City, IA 50248

Get Directions

View Location Details

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