Bank BranchesEvery insured bank office · FDIC · 1994–2026

Bank Branches › Missouri › St. Charles County › 321 South Main Street

Full-service office · FDIC office no. 280530

Firstar Bank, National Association
321 South Main Street, Ofallon, MO 63366

Last reported 2001

$94.5M
peak deposits
1950
established
—
rank in county
5
names on the sign

This office filed its last FDIC deposit report in 2001. It is missing from every report since, which usually means it closed. The FDIC record doesn't give a reason. St. Charles County has 107 offices open today, listed below.

This office's passbook1997–2001
DateBank on the signDepositsChange
Jun 30 2026NOT REPORTED missing from the 2026 report (and every year since 2002)
Jun 30 2001Firstar Bank, National AssociationNEW NAME$49.4M−9%
Jun 30 2000Firstar Bank Missouri, National AssociationNEW NAME$54.0M+3%
Jun 30 1999Mercantile Bank of St. Louis National AssociationNEW NAME$52.3M−8%
Jun 30 1998Mercantile Bank National AssociationNEW NAME$57.1M−40%
Jun 30 1997Roosevelt Bank$94.5M
1950-08-22Office established (FDIC record) — 47 years before this passbook begins

Nearest open offices in St. Charles County

  1. <0.1 miThe Central Trust Bank · 321 S Main St, O Fallon
  2. 0.2 miCommerce Bank · 101 E Elm St, O Fallon
  3. 0.3 miFirst State Bank of St. Charles, Missouri · 300 Woodlawn Ave, O'Fallon
  4. 0.6 miU.S. Bank National Association · 1 Ofallon Sq, O Fallon
  5. 0.6 miAmerican Bank of Freedom · 901 Highway K, O Fallon
  6. 0.9 miRegions Bank · 1201 Highway K, O'Fallon
  7. 1.4 miThe Bank of Old Monroe · 401 T R Hughes Blvd, O Fallon
  8. 1.5 miPeoples Bank & Trust Co. · 1310 N Main St, O'Fallon

All banks in St. Charles County →
Every Firstar Bank, National Association office →
What became of Firstar Bank, National Association →

Names on the sign

1997–1997Roosevelt Bank1998–1998Mercantile Bank National Association1999–1999Mercantile Bank of St. Louis National Association2000–2000Firstar Bank Missouri, National Association2001–2001Firstar 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) 280530.