Customer Service Support

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

Please log in to Online Banking, download the Great Southern Mobile Banking app 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 (800) 749-7113 immediately.

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

Please call us at (800) 749-7113 with account-specific questions.

For general product information, visit our Checking, Savings, Health Savings or CDs & IRAs page for additional information.

For general services information, visit our Debit Card, Online Banking, Mobile or Additional Services page for more information.

Please contact our Loan Servicing Department at (888) 245-2530.

For routing number or SWIFT code information visit our Routing Number page. If you need something else, please call (800) 749-7113 ext. 4114.