Security is located at the front desk in the K Street lobby 24 hours a day, 7 days a week and the L Street lobby from 7 a.m. - 7 p.m., 7 days a week. In addition, Security is provided at the loading dock Monday through Friday between the hours of 5:00 a.m. - 7:00 p.m. The security desk can be reached at 202-754-8905.