Contact Us

Guaranty Bank wants to make it easy and convenient to contact us by phone, email or in person. 


 Do you have a Question?

   Email your Question    
   Call us with your Question    
   Toll free: 1.877.609.5500    
   Denver: 303.293.5500    
   Northern Colorado: 970.454.4220    


Report a Lost or Stolen Guaranty Bank Card

   ATM or Debit Card: 1.800.500.1044    
   Credit Card: 1.800.558.3424    


Branch Directory

   Click here to visit any one of our 26 convenient locations across the Front Range. 

 24-Hour Anytime Banking

  We have everything you need to bank efficiently right at your fingertips. Take 24-Hour Anytime Banking for a test-drive and let the friendly voice guide you through the options. It's that simple, and another free service from Guaranty Bank.

Denver Metro: 303.293.2938
Toll free: 1.877.354.2265

24-Hour Customer Service

Denver 303.293.5500 | Northern Colorado 970.454.4220 | Toll-free 1.877.609.5500