Updated February 28, 2023 – Below you’ll find the key information you need as a Synchrony Mastercard credit card holder to access your account online, make payments, and reach customer service for further assistance. (If you are a former Toys R Us Mastercard holder whose card was replaced by the Synchrony Mastercard, this information is for you.)
Online Account Access
Customer Service – Help & Pay By Phone
- The Synchrony Mastercard phone number for payments and/or assistance: 1-844-406-7427
Credit Card Payment Address
Synchrony Mastercard
P.O. Box 669813
Dallas, TX 75266-0760