Lost Card? Time is of the Essence.
If your Climb Credit Union Debit Card or Credit Card is lost or stolen, report it immediately so we can block any unauthorized use of your account.
- During business hours, call Climb at 303.427.5005
- After hours, including weekends, call Climb at 303.427.5005 and then follow the audio prompts
- If you are out of the country and need to report a lost or stolen card, call one of Mastercard's global numbers
