The Mail Services Department at The University of Texas Southwestern Medical Center sorts and distributes the incoming, outgoing and inter-departmental mail for the University.  The 75390 zip code is unique for UT Southwestern Medical Center due to the mail volume.

Mail Services should be notified, by written memo, when a change of internal office location (change of address) takes place. Human Resources (using HRMS) and Telecommunications should also be notified to maintain service and accurate information in campus directories.