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Great Western BankGreat Western Bank – regional bank based in Sioux Falls, South Dakota. There are over 170 locations in Arizona, Colorado, Iowa, Kansas, Minnesota, Missouri, Nebraska, North Dakota and South Dakota.
Great Western Bank Online Banking Services Info:
- Find Branch Locations and Hours
- Website – www.greatwesternbank.com
- Email address: CustomerCare@GreatWesternBank.com
- Great Western Bank Login page
- Great Western Bank Enrollment page
- Great Western Bank Mobile Apps downloads page
- Customer Service Telephone – 1-800-952-2043
- Routing Number – 091408734
- Swift Code – GTWBUS44XXX
Important Great Western Bank Phone Numbers:
Customer Service Telephone: 1-800-952-2043
24-Hour Banking Telephone: 1-866-694-9226
Report a Lost/Stolen Great Western Bank ATM/Debit Card or Fraudulent Charges: 1-800-535-8440
Report a Lost/Stolen Great Western Bank Credit Card or Fraudulent Charges: 1-866-839-3485
