Contact Us
If you have questions or need assistance, we are here to help.
Online/Mobile Banking Support
Check out these great resources that will answer many common questions dealing with online and mobile banking
Report a Lost or Stolen Debit Card
Before you Travel
Help us protect your account by notifying us before you travel outside of your normal shopping area. To avoid a disruption in your card use, please let us know the dates and locations of your travel so we can better monitor debit and credit card activity on your account.
Report Fraud
Email [email protected] to report phishing and online fraud.
Please be advised that this email is unsecured and privacy cannot be ensured. For your protection, do not include account numbers or confidential information.
Agreements & Disclosures

By Phone
Phone Number
(888) 572-9881
Customer Care Center open weekdays 8am-7pm1
Additional Customer Support is available:
Weekdays 7pm - 9pm & Weekends 9am - 9pm
Leave a message with your name, number, and concern. We will return your call.
24-Hour Telephone Banking
(888) 572-9881
TRS Disclaimer
1 Guaranty Bank & Trust accepts third party telecommunications relay service calls at all of our locations. Please be advised that we value your privacy and your confidentiality, therefore you or your relay provider will be required to authenticate your identity prior to being given any information regarding your account.

Report a Lost or Stolen Debit Card
(800) 472-3272 (after business hours)
24 Hour Phone: (888) 572-9881

Report Phishing/Online Fraud
Please be advised that this email is unsecured and privacy cannot be ensured. For your protection, do not include account numbers or confidential information.

Before You Travel
Help us protect your account by notifying us before you travel outside of your normal shopping area. To avoid a disruption in your card use, please let us know the dates and locations of your travel so we can better monitor debit and credit card activity on your account.
Call Us