Q. Who can apply for a Pentagon Library card?

All military, civilian, and contractors physically assigned to the Pentagon Reservation are eligible for a Pentagon Library account.  The Pentagon reservation consists of the Pentagon, Mark Center, and leased office space in Crystal City. If you have any questions regarding eligibility, please submit an Ask-A-Librarian question via the button on the right or call the Pentagon Library at 703-695-1992.

You can apply for a Pentagon Library account online HERE or in person at one of the libraries two locations:

• Pentagon Library: PLC2 outside Corridor 8, Tuesday-Thursday  8:00 a.m. - 4:00 p.m. 
• Mark Center (Closed at this time)