Help & Support Contact Us If you need assistance or have a question, we're always here to help. by phone request a call or email view our locations Routing Number The Frost Bank routing number is 114000093. Security Center Find out how Frost keeps your personal information safe and secure. Learn how to safeguard your personal information or report fraud. security center Forms Download and print out the forms you need from checkcard request form to switch kit and digital services applications. forms library Agreements & Disclosures View and download agreements and disclosures you need to know concerning your personal or business accounts, from our privacy statement to terms and conditions of use. agreements & disclosures Customer Accessibility Frost is committed to providing quality financial services and information to all customers who do business with us. That's why we offer various communication choices and banking options. customer accessibility Bank Holidays Plan ahead. Prepare your calendar with important dates. bank holidays Report Fraud If you suspect fraudulent activity or receive a suspicious email, call a Frost Customer Service Specialist at (800) 513-7678 or via email. fraud prevention We're here to guide you Get in touch Find a location