Bank Branches › Banks › NSB Bank
NSB Bank
6 offices in 1 state as of June 30, 2026. $401 million in deposits. Main office: 2650 4th St Sw, Mason City, IA. FDIC certificate 8094.
6
offices
1
states
−0
gone since 2025
+0
new since 2025
Where its offices are
Offices over time
Bank offices reporting on June 30Deposits booked at them (nominal dollars, own scale)
| Date | offices | Change | Deposits |
|---|---|---|---|
| Jun 30 1994 | 2 | $45.2M | |
| Jun 30 1995 | 2 | · | $49.0M |
| Jun 30 2000 | 3 | · | $56.0M |
| Jun 30 2005 | 3 | · | $72.1M |
| Jun 30 2010 | 3 | · | $120M |
| Jun 30 2015 | 3 | · | $167M |
| Jun 30 2020 | 3 | · | $207M |
| Jun 30 2022PEAK | 6 | +3 | $395M |
| Jun 30 2025 | 6 | · | $405M |
| Jun 30 2026NOW | 6 | · | $401M |
Open the full passbook — all 33 years ▾
| Date | offices | Change | Deposits |
|---|---|---|---|
| Jun 30 1994 | 2 | $45.2M | |
| Jun 30 1995 | 2 | · | $49.0M |
| Jun 30 1996 | 2 | · | $55.6M |
| Jun 30 1997 | 2 | · | $52.5M |
| Jun 30 1998 | 2 | · | $51.9M |
| Jun 30 1999 | 3 | +1 | $55.3M |
| Jun 30 2000 | 3 | · | $56.0M |
| Jun 30 2001 | 3 | · | $55.9M |
| Jun 30 2002 | 3 | · | $57.5M |
| Jun 30 2003 | 3 | · | $61.1M |
| Jun 30 2004 | 3 | · | $63.1M |
| Jun 30 2005 | 3 | · | $72.1M |
| Jun 30 2006 | 3 | · | $80.7M |
| Jun 30 2007 | 3 | · | $93.7M |
| Jun 30 2008 | 3 | · | $94.3M |
| Jun 30 2009 | 3 | · | $105M |
| Jun 30 2010 | 3 | · | $120M |
| Jun 30 2011 | 3 | · | $128M |
| Jun 30 2012 | 3 | · | $140M |
| Jun 30 2013 | 3 | · | $149M |
| Jun 30 2014 | 3 | · | $168M |
| Jun 30 2015 | 3 | · | $167M |
| Jun 30 2016 | 3 | · | $171M |
| Jun 30 2017 | 3 | · | $171M |
| Jun 30 2018 | 3 | · | $169M |
| Jun 30 2019 | 3 | · | $170M |
| Jun 30 2020 | 3 | · | $207M |
| Jun 30 2021 | 3 | · | $212M |
| Jun 30 2022PEAK | 6 | +3 | $395M |
| Jun 30 2023 | 6 | · | $392M |
| Jun 30 2024 | 6 | · | $381M |
| Jun 30 2025 | 6 | · | $405M |
| Jun 30 2026NOW | 6 | · | $401M |
Counted under FDIC certificate 8094. When one bank buys another, the bought bank's offices move onto the buyer's certificate, so a jump here is usually a merger, not a building spree. Its earlier names and the banks folded into it →
Offices with the most deposits booked
| Office | Deposits |
|---|---|
| Northwood BranchNorthwood, IA | $132M |
| Nsb BankMason City, IA | $82.9M |
| Forest City BranchForest City, IA | $75.8M |
| Titonka BranchTitonka, IA | $62.4M |
| Thompson BranchThompson, IA | $25.7M |
| Regency BranchMason City, IA | $22.3M |
By state
| State | Offices |
|---|---|
| Iowa | 6 |