Coronavirus (COVID-19) Update
As a precaution, we’re restricting lobby access to appointments only. Please contact your local branch to set an in-person appointment. We’ll continue to provide you with the highest level of service through our drive thrus, ATMs and night depository where available. Great Western ebanking is available 24/7. Read More
Routing Number is 091408734
Your routing number, also known as an ABA number, for Great Western Bank accounts is: 091408734.
These numbers are used to identify our financial institution in a transaction.