GREAT WESTERN BANK Routing Number: 304971987
- Routing Number: 304971987
- Bank Name: GREAT WESTERN BANK
- Address: 100 NORTH PHILIPS AVENUE
- State: SD
- Zip Code: 57104-0000
- Bank Phone: 605-334-2548
- Office Type: Main
- City: SIOUX FALLS
- Institution Status Code: 1