At Cornerstone Bank we strive to offer the best customer service possible.

If you have a question, comment or just want to tell us a story, we want to hear it.

You can send us a SECURE email by clicking here.

 


Have you recently moved?

 

It is important to let us know that you have moved so that we can send you important communications regarding your account.

You can send us a change of address notification by clicking here.

 


Was your debit card stolen or lost?

 

For your safety, notify us as soon as you become aware of the loss so that we can stop any fraudulent transactions from posting to your account.

During Business Hours: Call (580) 623-8551

After Business Hours: Call (800) 383-8000


Online Banking

Watonga

Main:            (580) 623-8551

Operations: (580) 623-8555 
Geary

Main:            (405) 884-2971 


Mustang

Main:            (405) 376-8300