You can no longer enroll in Great Western ebanking. Please enroll at FirstInterstateBank.com beginning Monday May 23rd

Great Western Bank, 225 S Main Ave., Downtown Sioux Falls, SD

Great Western Bank in Downtown Sioux Falls

Address:

225 S Main Ave.
Sioux Falls, South Dakota 57104

Phone Number:

605.373.1337

Get Directions

Lobby Hours

  • Monday
  • Tuesday
  • Wednesday
  • Thursday
  • Friday
  • SaturdayClosed
  • SundayClosed

Drive Up Hours

  • Monday
  • Tuesday
  • Wednesday
  • Thursday
  • Friday
  • SaturdayClosed
  • SundayClosed

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Watch For Scam Email Claiming to Be First Interstate

Great Western Bank is a division of First Interstate and will transition to First Interstate Bank on May 23, 2022. We are aware of an email scam in which an email that looks like it’s from First Interstate Bank claims to have an “important message” regarding the recipient’s...