Customer Service Walk In Hours Monday thru Friday Bulk Mail: 7:30   to 11:30 and 12:00 to 4:00 Campus Mail: 8:00 to 12:00 and 1:00 to 4:00   MU Mail Services is regarded as one of the best 5 University Mail Facility nationally. * Handles over 20 million pieces of mail annually for MU and UM departments. * Provides pickup and delivery daily to the departments.   Bulk Mail Service 882-5960; Campus Mail Facility * Handling bulk mail for the MU campus. * Handles grade reports, student billing and loans for UMR, UMSL, and UMKC, tabbing to UMR. * Fills any automated mail service request by other MU campuses.