We are here for you, 24/7
Guaranty Bank makes it easy and convenient to contact us by phone, email or in person at one of our Colorado branch locations.
24-Hour Anytime Banking
Guaranty Bank takes great pride in combining our well-established personal banking service with banking innovations. Our free 24-hour a day, 7 day a week telephone banking service features voice recognition capabilities available in English or Spanish that will guide you through your banking options.
- 303.293.2938 - Denver Metro
- 877.354.2265 - Toll-Free
Email us at CustomerCare@GuarantyBankCO.com or call our 24-hour service numbers.
- Toll free: 1.877.609.5500
- Denver: 303.293.5500
- Northern Colorado: 970.454.4220
To report a lost or stolen Guaranty Bank ATM or debit card call: 800.500.1044
To report a lost or stolen Guaranty Bank credit card call: 800.558.3424
Email us at TreasuryMgmt@GuarantyBankCO.com or call us.
- 303.675.1160 - Denver Metro
- 970.454.4240 - Northern Colorado
Report a Lost or Stolen Guaranty Bank Card
- ATM or Debit Card: 1.800.500.1044
- Credit Card: 1.800.558.3424