Bank American Nation Bank
American Nation Bank is a federally insured bank based in Ardmore, Oklahoma.
- Type
- Bank
- Charter
- State-chartered commercial bank, Federal Reserve member
- Primary regulator
- FED
- Established
- May 2, 1983
- Headquarters
- Ardmore, OK
- FDIC certificate #
- 24472
- Fed RSSD ID
- 256058
- Holding company
- Amcorp Financial Inc
- Website
- www.bankanb.com
Source: U.S. FDIC BankFind & NCUA 5300 Call Report (public data). Data sources · Data as of Q1 2026
Branches by state
American Nation Bank operates 10 branch locations across 2 states. Select a state to drill down to its towns and individual branches.
Ownership
American Nation Bank is owned by Amcorp Financial Inc. See the full ownership & merger history.
American Nation Bank financial summary
Other banks in Oklahoma
Federally insured banks headquartered in Oklahoma, by total assets.
- BOKF, National Association $53.49B
- MidFirst Bank $42.11B
- First United Bank and Trust Company $16.4B
- BancFirst $12.8B
- Stride Bank, National Association $5.64B
- InterBank $5.48B
- RCB Bank $4.07B
- First Fidelity Bank $2.93B
Similar-size banks
Institutions close to American Nation Bank’s $688.3M in assets.
- First Bank $689.4M
- First Federal Savings Bank $690.3M
- Citizens Bank of Kentucky, Inc. $686M
- The Community Bank $691M
- First Southern Bank $685.1M
- Yampa Valley Bank $685M