FDIC-insured bank
American Nation Bank — Ardmore, OK
Bank headquartered in Ardmore, Oklahoma, part of AMCORP FINANCIAL INC.
Source: FDIC BankFind Suite, data as of June 30, 2026, fetched September 5, 2026
Headquarters and contact
| Address | 1901 N Commerce St Ardmore, OK 73401 |
| County | Carter |
| Metro area | Ardmore, OK |
| Website | www.bankanb.com |
| Phone | not published in FDIC data, see the bank's website |
FDIC record
| FDIC Certificate | 24472 |
| Federal Reserve RSSD ID | 256058 |
| Status | Active |
| Charter class | SM (STATE) |
| Holding company | AMCORP FINANCIAL INC |
| Domestic offices | 10 |
| Financials as of | June 30, 2026 |
How to find your American Nation 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.bankanb.com.
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Offices nearest to headquarters
| American Nation Bank main office Ardmore, OK |
1901 N Commerce St, 73401 |
| Homeland Grocery Store Branch Ardmore, OK |
205 N Commerce St, 73401 |
| South Commerce Branch Ardmore, OK |
1117 S Commerce St, 73401 |
| Lone Grove Branch Ardmore, OK |
6295 W Broadway St, 73401 |
| Marietta Banking Center Branch Marietta, OK |
1003 Memorial Dr, 73448 |
| Wilson Branch Wilson, OK |
1251 Us Highway 70a, 73463 |
| Durant Banking Center Durant, OK |
3018 W University Blvd, 74701 |
| Comanche Branch Comanche, OK |
122 Oak Main Ave, 73529 |
| Keller Branch Keller, TX |
975 Keller Pkwy, 76248 |
| Saginaw Branch Saginaw, TX |
825 N Saginaw Blvd, 76179 |
Where American Nation Bank has offices
Cities with the most American Nation Bank offices
Other banks headquartered in Ardmore
| First National Bank and Trust Company of Ardmore | $686.75 million |
| Citizens Bank and Trust Company of Ardmore | $318.81 million |
Largest banks headquartered elsewhere in Oklahoma
| BOKF, National Association Tulsa | $52.98 billion |
| MidFirst Bank Oklahoma City | $42.83 billion |
| First United Bank and Trust Company Durant | $16.59 billion |
| BancFirst Oklahoma City | $12.80 billion |
| Stride Bank, National Association Enid | $5.42 billion |
| InterBank Oklahoma City | $5.33 billion |
| RCB Bank Claremore | $3.98 billion |
| First Fidelity Bank Oklahoma City | $2.98 billion |
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