NSB Bank, History
The following are major historical events for NSB Bank, including mergers and acquisitions.
| 1933-01-01 | Institution established: Original name:Northwood State Bank | |
| 1991-07-01 | Changed name to Northwoods State Bank | |
| 1999-06-07 | Moved bank headquarters from NORTHWOOD, IA to MASON CITY, IA | |
| 2013-02-01 | Changed name to NSB Bank |