Bank Branches › Wisconsin › Milwaukee County › 6645 W Oklahoma Ave
Full-service office · FDIC office no. 270074
BMO Bank National Association
6645 W Oklahoma Ave, Milwaukee, WI 53219
Open · June 2026
$105M
deposits, 2026
1913
established
61st
of 199 in county
4
names on the sign
| Date | Bank on the sign | Deposits | Change |
|---|---|---|---|
| Jun 30 2026 | BMO Bank National Association | $105M | −2% |
| Jun 30 2025 | BMO Bank National Association | $107M | −6% |
| Jun 30 2024 | BMO Bank National AssociationNEW NAME | $114M | −3% |
| Jun 30 2023 | BMO Harris Bank National Association | $117M | −11% |
| Jun 30 2022 | BMO Harris Bank National Association | $131M | +3% |
| Jun 30 2021 | BMO Harris Bank National Association | $127M | +3% |
| Jun 30 2020 | BMO Harris Bank National Association | $123M | +2% |
| Jun 30 2019 | BMO Harris Bank National Association | $121M | −1% |
| Jun 30 2018 | BMO Harris Bank National Association | $123M | +1% |
| Jun 30 2017 | BMO Harris Bank National Association | $122M | +6% |
| Jun 30 2016 | BMO Harris Bank National Association | $114M | 0% |
| Jun 30 2015 | BMO Harris Bank National Association | $115M | −4% |
| Jun 30 2014 | BMO Harris Bank National Association | $120M | −12% |
| Jun 30 2013 | BMO Harris Bank National Association | $136M | +3% |
| Jun 30 2012 | BMO Harris Bank National AssociationNEW NAME | $132M | −1% |
| Jun 30 2011 | M&I Marshall and Ilsley Bank | $133M | +1% |
| Jun 30 2010 | M&I Marshall and Ilsley Bank | $132M | −2% |
| Jun 30 2009 | M&I Marshall and Ilsley Bank | $135M | −5% |
| Jun 30 2008 | M&I Marshall and Ilsley Bank | $142M | +3% |
| Jun 30 2007 | M&I Marshall and Ilsley Bank | $137M | +9% |
| Jun 30 2006 | M&I Marshall and Ilsley Bank | $126M | +19% |
| Jun 30 2005 | M&I Marshall and Ilsley Bank | $105M | 0% |
| Jun 30 2004 | M&I Marshall and Ilsley Bank | $105M | 0% |
| Jun 30 2003 | M&I Marshall and Ilsley Bank | $106M | −5% |
| Jun 30 2002 | M&I Marshall and Ilsley Bank | $111M | −6% |
| Jun 30 2001 | M&I Marshall and Ilsley Bank | $118M | −2% |
| Jun 30 2000 | M&I Marshall and Ilsley Bank | $120M | +2% |
| Jun 30 1999 | M&I Marshall and Ilsley Bank | $118M | −7% |
| Jun 30 1998 | M&I Marshall and Ilsley BankNEW NAME | $127M | 0% |
| Jun 30 1997 | Security Bank, S.S.B. | $127M | +3% |
| Jun 30 1996 | Security Bank, S.S.B. | $124M | +6% |
| Jun 30 1995 | Security Bank, S.S.B. | $117M | +3% |
| Jun 30 1994 | Security Bank, S.S.B. | $114M | |
| 1913-01-01 | Office established (FDIC record) — 81 years before this passbook begins | ||
Nearest other open offices in Milwaukee County
- <0.1 miWaterStone Bank, SSB · 6801 W Oklahoma Ave, Milwaukee
- 0.4 miU.S. Bank National Association · 7325 W Oklahoma Ave, Milwaukee
- 0.5 miThe Equitable Bank, S.S.B. · 7400 W Oklahoma Ave, West Allis
- 0.5 miTri City National Bank · 3164 S 76th St, Milwaukee
- 0.7 miJPMorgan Chase Bank, National Association · 7606 W Morgan Ave, Milwaukee
- 0.9 miNorth Shore Bank · 5817 W Forest Home Ave, Milwaukee
- 1.4 miTri City National Bank · 4200 S 76th St, Ste D, Greenfield
- 1.5 miNorth Shore Bank · 4230 W Oklahoma Ave, Milwaukee
All banks in Milwaukee County →
Every BMO Bank National Association office →
Earlier names and banks folded into BMO Bank National Association →
Names on the sign
1994–1997Security Bank, S.S.B.1998–2011M&I Marshall and Ilsley Bank2012–2023BMO Harris Bank National Association2024–nowBMO Bank National Association
The FDIC office number stays with the building when banks merge or rename, so the same office appears under each owner. Follow an earlier name to see what became of that bank.
Deposits are the balances the bank assigned to this office on June 30 of each year, in nominal dollars. Source: FDIC Summary of Deposits, office (UNINUMBR) 270074.