Business Services Support

Please log in to Online Banking or call us at (800) 749-7113.

Please log in to Online Banking or call us at (800) 749-7113.

If you have questions about a fee, or need to make changes to your account, please call us at (800) 749-7113 .

Please call us at (800) 749-7113 to discuss with a Customer Service Representative.

Curious about Positive Pay, Direct Deposit, or any of the other Business Banking services we offer? Please call us at (800) 749-7113 with account-specific questions.

Existing customers may contact your Business Services Representative with account-specific questions.

Please call us at (800) 749-7113, Ext. 7070 to discuss with a Customer Service Representative.

Great Southern Bank's routing number is 286573322. If you need additional information, please visit our Routing Number page. Great Southern does not have a SWIFT code. If you need something else, please call (800) 749-7113 Ext. 4114.

Please visit our Merchant Services section for more information.