The First National Bank of Columbus
| Status: | Inactive as of 03/01/1994 |
| Merger - Without Assistance | |
| Successor Bank: | Associated Bank Portage |
| Headquarters: | The First National Bank of Columbus 111 Tower Drive Columbus, WI 53925 |
| Established: | 12/08/1856 |
| FDIC Insurance: | 01/01/1934 |
| FDIC Cert: | #5288 |
| Charter Class: | Commercial bank, national (federal) charter and Fed member, supervised by the Office of the Comptroller of the Currency (OCC) |
| Total Assets: | $61,946,000 |
| Total Deposits: | $53,553,000 |
History
| 1856-12-08 | Institution established: Original name:The First National Bank of Columbus | |
| 1991-05-31 | Acquired Rio-Fall River Union Bank (12808) in FALL RIVER, WI | |
| 1994-03-01 | Merged into and subsequently operated as part of The First National Bank of Portage (5319) in PORTAGE, WI | |
| 1996-04-05 | Changed name to Associated Bank Portage, National Association (5319) | |
| 1998-03-19 | Changed name to Associated Bank South Central (13237) | |
| 1998-03-19 | Acquired Associated Bank Reedsburg (15389) in REEDSBURG, WI | |
| 1998-03-19 | Acquired Associated Bank Portage, National Association (5319) in PORTAGE, WI | |
| 1998-03-19 | Merged into and subsequently operated as part of Associated Bank South Central (13237) in MADISON, WI | |
| 1998-03-19 | Acquired Associated Bank Madison (1515) in MADISON, WI | |
| 2001-05-25 | Acquired Associated Bank North (12340) in WAUSAU, WI | |
| 2001-05-25 | Acquired Associated Bank South Central (13237) in MADISON, WI | |
| 2001-05-25 | Acquired Associated Bank Lakeshore, National Association (11619) in MANITOWOC, WI | |
| 2001-05-25 | Merged into and subsequently operated as part of Associated Bank, National Association (5296) in GREEN BAY, WI | |
| 2003-09-12 | Acquired Associated Card Services Bank, National Association (34208) in STEVENS POINT, WI | |
| 2003-11-21 | Acquired Associated Bank Illinois, National Association (34916) in ROCKFORD, IL | |
| 2005-02-19 | Acquired First Federal Capital Bank (28981) in LA CROSSE, WI | |
| 2005-07-15 | Acquired Associated Bank Chicago (22177) in CHICAGO, IL | |
| 2005-07-15 | Acquired Associated Bank Minnesota, National Association (18704) in MINNEAPOLIS, MN | |
| 2005-10-21 | Reorganized. | |
| 2005-11-04 | Acquired State Financial Bank, National Association (3753) in HALES CORNERS, WI | |
| 2007-06-29 | Acquired The First National Bank of Hudson (5348) in WOODBURY, MN | |
| 2018-06-24 | Acquired Bank Mutual (30125) in BROWN DEER, WI | |
| 2020-02-14 | Acquired The First National Bank in Staunton (14924) in STAUNTON, IL |