Contact Us Our information NIU Main Campus 4600 Sangamore Rd, Bethesda, MD Phone (301) 243-2117 Fax (301) 227-7067 E-Mail NIU_Engagement@niu.odni.gov Additional NIU contacts information Office of Admissions Phone: (301) 243-2094 Fax: (301) 227-7067 Email: NIU_Admissions@niu.odni.gov Office of the Registrar Phone: (301) 243-2093 Fax: (301) 227-7067Email: NIU_Enrollments@niu.odni.gov Security Office Phone: (301) 243-2097 Fax: (301) 227-7067 Email: NIU_Security@odni.gov JPME Program Director Phone: (301) 243-2093 Fax: (301) 227-7067Email: george.c.greanias@odni.gov Student Affairs Phone: (301) 243-2099Email: NIU_Student_Affairs@odni.gov Library Services Phone: (301) 243-2100 Email: NIU_Library@odni.gov Joint Military Personnel Officer Phone: (301) 243-2096 Email: NIU_Joint_Military_Personnel@odni.gov