HOTEL & INFORMATION 550 C STREET SW WASHINGTON, DC 20024 Hotel Front Desk: 1-202-479-4000 or 1-800-465-4329 Please refer to “NIEA Legislative Summit” or Block Code NLS to receive special room rates. All reservations must be accompanied by a first night room deposit or guaranteed with a major credit card. The Holiday Inn Capitol will not hold any reservations, unless secured by one of the above methods. Make your hotel reservations as soon as possible!