| Uninum | Name | Address 1 | Address 2 | City | County | Established | Accquired | | 10416 | GNB MANCHESTER BRANCH | 300 E Main St | 52057 | Manchester | Delaware | 01/02/1945 | 07/03/2012 |
| 232462 | GENEVA BRANCH | 408 Front St | 50633 | Geneva | Franklin | 12/10/1979 | 01/01/2016 |
| 431176 | STORY CITY OFFICE | 629 Broad St | Ames, IA 50248 | Story City | Story | 07/26/2004 | 01/01/2016 |
| 442281 | MESSENGER SERVICE BRANCH | 103 E Center St | Waterloo-Cedar Falls, IA 50621 | Conrad | Grundy | 06/01/2005 | 12/31/1999 |
| 453092 | CONRAD OFFICE BRANCH | 103 E Center St | Waterloo-Cedar Falls, IA 50621 | Conrad | Grundy | 12/02/2005 | 12/31/1999 |
| 476113 | TIMBERLAND VILLAGE BRANCH | 725 Timberland Dr | Ames, IA 50248 | Story City | Story | 01/15/2008 | 01/01/2016 |
| 532373 | IOWA FALLS DOWNTOWN BRANCH | 315 Main St | 50126 | Iowa Falls | Hardin | 05/04/2012 | 01/01/2016 |
| 538224 | MARSHALLTOWN BRANCH | 2504 S 2nd St | Marshalltown, IA 50158 | Marshalltown | Marshall | 12/03/2012 | 12/31/1999 |
| 8700 | INSURANCE & INVESTMENTS | 603 7th St | Waterloo-Cedar Falls, IA 50638 | Grundy Center | Grundy | 10/01/1906 | 07/01/1987 |
| 8802 | GNB Bank | 529 G Ave | Waterloo-Cedar Falls, IA 50638 | Grundy Center | Grundy | 03/16/1934 | |
| 9354 | ACKLEY STATE BANK BRANCH | 650 Main St | 50601 | Ackley | Hardin | 01/01/1934 | 01/01/2016 |
