Mr. Cooper Mortgage Login, Payment, Customer Service

Updated September 17, 2023 – Below you will find the key information you need as a Mr. Cooper customer (Nationstar Mortgage) to access your account online, make payments, and reach customer service for further assistance.

Online Account Access

Customer Service – Help & Pay By Phone

  • The Mr. Cooper customer service phone number for payments and other assistance is 833-685-2565.

Payment Address

Mr. Cooper
PO Box 650783
Dallas, TX 75265