Contact Us

For inquiries, questions, customer service issues or complaints, please call our Main Office at 404-601-1250 or use our secure form below. 

To report a lost or stolen debit card, please call 1-844-293-6179.

For security reasons, do not place any identification numbers (Social Security number, etc.) or account numbers in the comments below.

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Cornerstone Bank’s primary supervisory authority is the Office of the Controller of the Currency (OCC).  For more information or to file a consumer complaint, go to 

For information on deposit insurance coverage and the level of protection that the insurance affords, contact the Federal Deposit Insurance Corporation (FDIC) at

You may use EDIE, the Electronic Deposit Insurance Calculator, to aid you in calculating your FDIC deposit insurance on a per bank basis.  EDIE can help you determine what deposits are covered and what portion (if any) exceeds the insurance coverage limits.  Access EDIE at