Organization of American States

The Columbus Memorial Library is located at 19th Street and Constitution Ave., NW, Washington DC. The building entrance is on the west side of the building. Come inside and inquire at the security desk on how to receive your pass and proceed to the Library.

Metered street parking is available. The Library is closest to the Foggy Botton/GWU and Farragut West Metro stops.

Hours of Operation

Monday-Thursday 9:30-4:30 pm

Friday 1:30-4:30 pm

The Columbus Memorial Library will be closed on the official holidays at headquarters: New Year's Day, Martin Luther King Jr.'s Day, Presidents Day, Good Friday, Memorial Day, Independence Day, Labor Day, Columbus Day, Thanksgiving Day, Christmas Day.