Security First Bank routing number 121144418 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.
| Security First Bank Routing Numbers | Area |
|---|---|
| 104113819 - Security First Bank | SD 57702 |
| 104113819 - Security First Bank | SD 57702 |
| 104113819 - Security First Bank | SD 57702 |
| 307087661 - Security First Bank | WY 82001 |
All Security First Bank Routing Numbers