GREAT WESTERN BANK Routing Number: 122105252
- Routing Number: 122105252
- Bank Name: GREAT WESTERN BANK
- Address: 100 NORTH PHILLIPS AVENUE
- State: SD
- Zip Code: 57104-0000
- Bank Phone: 605-333-7890
- Office Type: Main
- City: SIOUX FALLS
- Institution Status Code: 1