FDIC-insured bank
Williamsville State Bank & Trust — Williamsville, IL
Bank headquartered in Williamsville, Illinois, part of WSB FINANCIAL LTD.
Source: FDIC BankFind Suite, data as of June 30, 2026, fetched September 5, 2026
Headquarters and contact
| Address | 512 W Main St Williamsville, IL 62693 |
| County | Sangamon |
| Metro area | Springfield, IL |
| Website | www.wsbt.net |
| Phone | not published in FDIC data, see the bank's website |
FDIC record
| FDIC Certificate | 12388 |
| Federal Reserve RSSD ID | 365848 |
| Status | Active |
| Charter class | NM (STATE) |
| Holding company | WSB FINANCIAL LTD |
| Domestic offices | 3 |
| Financials as of | June 30, 2026 |
How to find your Williamsville State Bank & Trust 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.wsbt.net.
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Offices nearest to headquarters
| Williamsville State Bank & Trust main office Williamsville, IL |
512 W Main St, 62693 |
| Sherman Branch Sherman, IL |
6092 Business I-55, 62684 |
| Old Jacksonville Road Branch Springfield, IL |
3341 Old Jacksonville Rd, 62711 |
Where Williamsville State Bank & Trust has offices
Cities with the most Williamsville State Bank & Trust offices
Largest banks headquartered elsewhere in Illinois
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| First Mid Bank & Trust, National Association Mattoon | $9.14 billion |
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