FDIC-insured bank
Defiance State Bank
Bank headquartered in Defiance, Iowa, part of UNION BCORP.
Source: FDIC BankFind Suite, data as of June 30, 2026, fetched September 5, 2026
Headquarters and contact
| Address | 201 Main Ave Defiance, IA 51527 |
| County | Shelby |
| Website | defiancestatebank.com |
| Phone | not published in FDIC data, see the bank's website |
FDIC record
| FDIC Certificate | 17450 |
| Federal Reserve RSSD ID | 902645 |
| Status | Active |
| Charter class | NM (STATE) |
| Holding company | UNION BCORP |
| Domestic offices | 2 |
| Financials as of | June 30, 2026 |
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 defiancestatebank.com.
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Offices nearest to headquarters
| Defiance State Bank main office Defiance, IA |
201 Main Ave, 51527 |
| Dow City Branch Dow City, IA |
254 Franklin Street, 51528 |