Can my customer mail in a check?

Absolutely! Customers can mail in payments to their corresponding servicer. If they're unsure of their servicer, they can contact Customer Support at 866-292-3813 for assistance.

Concord:
PO Box 29352
Phoenix, AZ 85038

Momnt Customer Care:
Momnt Technologies
Po Box 2432
Carol Stream IL 60132-2432

Helpful hint: Remind them to include their loan number information on the check to ensure it gets credited to their account in a timely manner.