Need help with your Milestone Mastercard? Here are all the ways to contact customer service.
Phone numbers
- Main customer service: 1-866-453-2636
- Activation: 1-866-453-2636
- Lost or stolen card: 1-866-453-2636
- Hours: 24 hours a day, 7 days a week
When to call
Call customer service if you need to:
- Report a lost or stolen card
- Dispute a charge
- Ask for a credit limit increase
- Update your address or phone
- Set up or cancel autopay
- Get help with login problems
- Ask about fees
Mailing address
Payments: Milestone Mastercard P.O. Box 84064 Columbus, GA 31908-4064
Customer service: Milestone Mastercard P.O. Box 4499 Beaverton, OR 97076-4499
Check your statement for the exact address. It may vary.
Online support
You can also get help online at milestonecard.com. Log in and look for the Contact Us or Help section.
Tips before you call
- Have your card handy
- Know your account number or SSN
- Write down what you want to ask
- Be near a computer if you need to log in
For the fastest service, call during off-peak hours: early morning or late evening.
Report a lost or stolen card
If your card is lost or stolen, call 1-866-453-2636 right away. Milestone will:
- Block your card
- Send you a new one in 7 to 10 business days
- Cover you against fraud charges
