FDIC-insured bank
South Ottumwa Savings Bank — Ottumwa, IA
Bank headquartered in Ottumwa, Iowa, part of CORNERSTONE FINL SERVICES GROUP.
Source: FDIC BankFind Suite, data as of June 30, 2026, fetched September 5, 2026
Headquarters and contact
| Address | 320 Church St Ottumwa, IA 52501 |
| County | Wapello |
| Metro area | Ottumwa, IA |
| Website | www.sosb-ia.com |
| Phone | not published in FDIC data, see the bank's website |
FDIC record
| FDIC Certificate | 9099 |
| Federal Reserve RSSD ID | 75446 |
| Status | Active |
| Charter class | NM (STATE) |
| Holding company | CORNERSTONE FINL SERVICES GROUP |
| Domestic offices | 6 |
| Financials as of | June 30, 2026 |
How to find your South Ottumwa Savings Bank 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.sosb-ia.com.
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Offices nearest to headquarters
| South Ottumwa Savings Bank main office Ottumwa, IA |
320 Church St, 52501 |
| North Court Branch Ottumwa, IA |
2525 N Court St, 52501 |
| Hedrick Branch Hedrick, IA |
101 S Main St, 52563 |
| 102 South Main Branch Albia, IA |
102 S Main St, 52531 |
| Albia Drive-Thru Branch Albia, IA |
217 S Main St, 52531 |
| West Liberty State Bank Branch West Liberty, IA |
101 E 4th St, 52776 |
Where South Ottumwa Savings Bank has offices
Cities with the most South Ottumwa Savings Bank offices
Largest banks headquartered elsewhere in Iowa
| Principal Bank Des Moines | $9.84 billion |
| Bankers Trust Company Des Moines | $7.83 billion |
| Hills Bank and Trust Company Hills | $4.79 billion |
| West Bank West Des Moines | $4.03 billion |
| Northwest Bank Spencer | $3 billion |
| Cedar Rapids Bank and Trust Company Cedar Rapids | $2.90 billion |
| Quad City Bank and Trust Company Bettendorf | $2.77 billion |
| Fidelity Bank & Trust Dubuque | $2.60 billion |
Compare before you open an account: today's CD and savings rates, the CD calculator and the savings calculator.
