1 Lung Cancer: Lung cancer that affects the top part of the lung can impact the pupillary nerve fibers. 2  Brain Tumor: If a tumor or mass is close to the origin of the pupillary nerve fibers, it can cause problems within the pupil.
FedLoan Servicing Phone Number. If you need to reach someone by phone, call FedLoan Servicingâs toll-free number: 800-699-2908. As of August 2016, the student loan servicer has representatives available from 8 a.m. until 9 p.m. Eastern Standard Time from Monday through Friday.
Contact Us. 1  If you have any other questions at all about education loans, call SunTrust. 2  If you are inquiring about a Custom Choice LoanÂ® or a Graduate Business School Loan, call 866.232.3889. 3  If you are inquiring about a Union FederalÂ® Private Student Loan, call 866.513.8445.