FDIC-insured bank
Frontier State Bank — Oklahoma City, OK
Bank headquartered in Oklahoma City, Oklahoma.
Source: FDIC BankFind Suite, data as of June 30, 2026, fetched September 5, 2026
Headquarters and contact
| Address | 5100 S I 35 Service Rd Oklahoma City, OK 73129 |
| County | Oklahoma |
| Metro area | Oklahoma City, OK |
| Website | www.frontier-ok.com |
| Phone | not published in FDIC data, see the bank's website |
FDIC record
| FDIC Certificate | 21978 |
| Federal Reserve RSSD ID | 632858 |
| Status | Active |
| Charter class | NM (STATE) |
| Domestic offices | 1 |
| Financials as of | June 30, 2026 |
How to find your Frontier State 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.frontier-ok.com.
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Offices nearest to headquarters
| Frontier State Bank main office Oklahoma City, OK |
5100 S I 35 Service Rd, 73129 |
Where Frontier State Bank has offices
Cities with the most Frontier State Bank offices
Other banks headquartered in Oklahoma City
| MidFirst Bank | $42.83 billion |
| BancFirst | $12.80 billion |
| InterBank | $5.33 billion |
| First Fidelity Bank | $2.98 billion |
| Bank 7 | $1.91 billion |
| International Bank of Commerce | $1.63 billion |
| First National Bank of Oklahoma | $949.87 million |
| Valliance Bank | $923.29 million |
Largest banks headquartered elsewhere in Oklahoma
| BOKF, National Association Tulsa | $52.98 billion |
| First United Bank and Trust Company Durant | $16.59 billion |
| Stride Bank, National Association Enid | $5.42 billion |
| RCB Bank Claremore | $3.98 billion |
| Armstrong Bank Muskogee | $2.84 billion |
| Regent Bank Tulsa | $2.24 billion |
| Gateway First Bank Jenks | $2.06 billion |
| Mabrey Bank Bixby | $2.02 billion |
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