San Antonio, TX 78269-2408. Or Fax to (866) 493-1441.A payoff letter shows the remaining balance on your mortgage, including fees, interest, etc. Learn more about what a payoff quote is and how to request one. Manage your loan online, get answers to questions about your escrow or the process to request a loan payoff, or get in touch with our Servicing team. Navigate to the "Estimate Payoff" tab and select "View Payoff Quote". Carrington knows how to make home work. Purchase, Refinance, Find a Real Estate Agent.