Visitor Registration

The Carnegie Institution administration building is located at 1530 P St., NW, Washington, D.C. at the corner of 16th and P Streets. The building is open from 8:45 a.m. to 5:00 p.m. The entrance is on the P St., side. Except for special events, visitors must contact the Carnegie staff person they are visiting when they arrive, through the security system at the door. The main phone number is 202-387-6400. Consult the directories for specific extensions.