Sign in to your online account and click on your loan number to go to your dashboard. Click on Mortgage Assistance, and select the Available Documents tab.Call 888-673-5521 today! Need help or have questions about mortgage options? How can a payoff be ordered? Exceptional home lending options and service make Newrez the home of your perfect loan. Apply to refinance or buy a home online today. Q: How can a payoff be ordered? To contact Newrez customer service, you can dial their toll-free number at 1-888-673-5521. • The client must complete the Request for an Adjustment form located in the Forms Library online.