First Oklahoma Bank routing number 103112015 is used by the Automated Clearing House (ACH) to process direct deposits. ABA routing numbers, or routing transit numbers, are nine-digit codes you can find on the bottom of checks and are used for ACH and wire transfers.
| First Oklahoma Bank Routing Numbers | Area | 
|---|---|
| 103913337 - First Oklahoma Bank | OK 74137 | 
All First Oklahoma Bank Routing Numbers