FDIC-insured bank
First FSB of Mascoutah — Mascoutah, IL
Bank headquartered in Mascoutah, Illinois.
Source: FDIC BankFind Suite, data as of June 30, 2026, fetched September 5, 2026
Headquarters and contact
| Address | 101 W Main St Mascoutah, IL 62258 |
| County | St. Clair |
| Metro area | St. Louis, MO-IL |
| Website | www.firstfederalmascoutah.com |
| Phone | not published in FDIC data, see the bank's website |
FDIC record
| FDIC Certificate | 30969 |
| Federal Reserve RSSD ID | 966272 |
| Status | Active |
| Charter class | SM (STATE) |
| Ownership | Mutual |
| Domestic offices | 3 |
| Financials as of | June 30, 2026 |
How to find your First FSB of Mascoutah routing number
FDIC does not publish ABA routing numbers, and many banks use different routing numbers by state or by account type. The reliable places to find yours: the bottom left of a check from this bank, the "account details" screen in its online banking, or its official website at www.firstfederalmascoutah.com.
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Offices nearest to headquarters
| First Fsb Of Mascoutah main office Mascoutah, IL |
101 W Main St, 62258 |
| Lebanon Branch Lebanon, IL |
115 S Madison St, 62254 |
| New Baden Branch New Baden, IL |
1200 E Hanover St, 62265 |
Where First FSB of Mascoutah has offices
Cities with the most First FSB of Mascoutah offices
Other banks headquartered in Mascoutah
| Citizens Community Bank | $531.04 million |
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| BMO Bank National Association Chicago | $254.97 billion |
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