If you have a scheduled payment due before you set up your recurring payment process, you can mail a payment to: Rushmore Loan Management Services at P.O. Box 514707 Los Angeles, CA 90051-4707. Please include your Rushmore loan number on the payment. If you were recently transferred to Rushmore and do not yet have your Rushmore loan number, please include your prior servicer’s loan number on your check or money order.