Quick, easy, and secure access to your First Security Bank Beaver accounts, anytime, anywhere!! Our mobile app is FREE and allows you to: -View your balance -View account activity -Transfer funds -Photo check deposit -Card management -Locate a branch or ATM -Contact our Customer Service Contact Us You can contact us at (580) 625-4500 if you have any questions about the First Security Bank Beaver Mobile App or the self-service registration process.