eBanking CONTACT US Ready to start your journey with Allegiance Bank? Have questions? Just want to chat? Connect with us, because we want to connect with you. Immediate Assistance Phone: 281-894-3200* *Speak with a representative on your time: Now offering extended after-hours support. Mailing Address: PO Box 41314 Houston, TX 77241-1314 Email: customerservice@allegiancebank.com PLEASE NOTE: Allegiance Bank will never request that you provide personal or financial information via unsecured e-mail. Please report to us any suspicious e-mails you receive that request personal or financial information and claim to be from Allegiance Bank. 24/7 Telephone Banking: 844-334-3814 Debit/ATM Card Support Business Hours 8:00 AM - 5:00 PM: 281-894-3200 To activate a Debit Card: 866-633-5293 or Internationally: 770-248-5774 To report your lost or stolen Debit/ATM Card after business hours: 800-500-1044 For Debit Card Fraud Disputes and Non-Fraud Disputes: Please call 844-865-5533 Monday - Friday 7:00 AM - 3:45 PM to speak with a representative; or click here to dispute a transaction or report fraudulent activity. To return Fraud Service Center phone calls to verify potentially fraudulent transactions: 855-961-1602 Traveling with your debit card outside of Texas? Before you leave, please contact your Allegiance Banker at 281-894-3200 during normal business hours to inform us of your destinations and travel dates. This will provide us an opportunity to update your debit card record to ensure you will not be inconvenienced while traveling. Consumer Concerns We pledge to provide extraordinary service. We welcome the opportunity to address any of your concerns. We encourage you to contact us by emailing consumer.concerns@allegiancebank.com. Find an Office Near You Allegiance Bank serves the Houston community and surrounding counties through conveniently-located banking offices. To find a location near you, click below. OUR LOCATIONS Looking for Something in Particular? Let’s connect you with what you are looking for. 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WHAT CAN WE HELP YOU WITH? Business Banking Personal Banking Loan Request Customer Service Something Else. I'll explain below HOW DID YOU HEAR ABOUT US? Google Search Referral Community Involvement Social Media Mail Radio TV Print Ad Bank Signage Other (please specify in comments below) COMMENTS CAPTCHA About Allegiance Bank Allegiance Bank serves the Houston community and surrounding counties with full-service banking solutions to meet the needs of our diverse customers. With a suite of business banking and personal banking solutions, our team pledges an unwavering commitment to your success. Subscribe to Our News Stay up to date on the latest news, industry insights and promotions from Allegiance Bank. Enter your email to subscribe to our news. SIGN ME UP! 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