The NSF is located one block south of the Ballston-Marymount University
stop on Metro's Orange Line. The links below will connect you to
the Metro web site at http://www.wmata.com,
where you can obtain current fares and other information.
The National Science Foundation, 4201 Wilson Boulevard, Arlington, Virginia 22230, USA
Tel:
(703) 292-5111
, FIRS: (800) 877-8339 | TDD: (800) 281-8749