FDIC-insured bank
One American Bank — Centerville, SD
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 |
How to find your One American 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.oneamericanbank.com.
Share one credit line with people you trust. Everyone gets their own limit.
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 |
Where One American Bank has offices
Cities with the most One American Bank offices
Largest banks headquartered elsewhere in South Dakota
| Citibank, National Association Sioux Falls | $1.98 trillion |
| Wells Fargo Bank, National Association Sioux Falls | $1.91 trillion |
| The Bancorp Bank, National Association Sioux Falls | $9.21 billion |
| Pathward, National Association Sioux Falls | $7.31 billion |
| Dacotah Bank Aberdeen | $4.92 billion |
| First Bank & Trust Brookings | $4.78 billion |
| First PREMIER Bank Sioux Falls | $3.64 billion |
| First Dakota National Bank Yankton | $3.39 billion |
Compare before you open an account: today's CD and savings rates, the CD calculator and the savings calculator.
