FDIC-insured bank
One American Bank
Bank headquartered in Centerville, South Dakota, part of ONE AMERICAN FINANCIAL CORP.
Source: FDIC BankFind Suite, data as of June 30, 2026, fetched September 5, 2026
Headquarters and contact
| Address | 549 Broadway St Centerville, SD 57014 |
| County | Turner |
| Metro area | Sioux Falls, SD |
| Website | www.oneamericanbank.com |
| Phone | not published in FDIC data, see the bank's website |
FDIC record
| FDIC Certificate | 6078 |
| Federal Reserve RSSD ID | 95051 |
| Status | Active |
| Charter class | NM (STATE) |
| Holding company | ONE AMERICAN FINANCIAL CORP |
| Domestic offices | 3 |
| 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 www.oneamericanbank.com.
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Offices nearest to headquarters
| One American Bank main office Centerville, SD |
549 Broadway St, 57014 |
| 49Th St Sioux Falls, SD |
3310 W 49th St, 57106 |
| Sioux Falls Branch Sioux Falls, SD |
515 S Minnesota Ave, 57104 |