FDIC-insured bank
Monument Bank — Heavener, OK
Bank headquartered in Heavener, Oklahoma, part of SOONER SW BANKSHARES INC.
Source: FDIC BankFind Suite, data as of June 30, 2026, fetched September 5, 2026
Headquarters and contact
| Address | 400 E 1st St Heavener, OK 74937 |
| County | Le Flore |
| Website | www.okfnb.com |
| Phone | not published in FDIC data, see the bank's website |
FDIC record
| FDIC Certificate | 4111 |
| Federal Reserve RSSD ID | 195456 |
| Status | Active |
| Charter class | SM (STATE) |
| Holding company | SOONER SW BANKSHARES INC |
| Domestic offices | 3 |
| Financials as of | June 30, 2026 |
How to find your Monument 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.okfnb.com.
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Offices nearest to headquarters
| Monument Bank main office Heavener, OK |
400 E 1st St, 74937 |
| West Branch Heavener, OK |
602 W 1st St, 74937 |
| Poteau Branch Poteau, OK |
3104 N Broadway St, 74953 |
Where Monument Bank has offices
Cities with the most Monument Bank offices
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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