The phone number of Navient customer service is 1888-272-5543. A separate customer service phone number is available for each loan programs that you want to inquire about. To know about the various phone number, check on the listing table mentioned below with their phone numbers. If you are looking for mailed payments, visit the Navient website contact us and send an email with your account number mentioned on the checkbook and your remittance slip included.
TheCustomerServiceNumber » Navient Customer Service