Contact Us

A Client Service representative will be pleased to accept your phone call Monday through Friday, between the hours of 8:30 AM and 6:00 PM (Central), when you call (918) 272-5301.

On Saturday, our representatives are available from 9:00 AM - Noon. All locations are closed on Sunday and on federal holidays. To access your account information 24/7, please call our automated banking system (Thelma) at (918) 274-9600.

What if your card is missing?

Call (800) 791-2525 to report a First Bank of Owasso card is missing.

For all other cards, call the card company directly.

Prefer to send us a message?

Use our secure email form to send your message, and we will have the appropriate representative get back in touch with you as soon as possible.

Routing Number

103112853

Mailing Address

First Bank of Owasso
PO Box 1800
Owasso, OK 74055