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  Visiting NSF

NSF Building

National Science Foundation
4201 Wilson Boulevard
Arlington, Virginia 22230

The NSF welcomes thousands of visitors a year. Should you need information not provided below, please contact our Information Center, either by phone at 703-292-5111, or by email, at info@nsf.gov.

General Information:

THE NATIONAL SCIENCE FOUNDATION is located in the Ballston area of North Arlington, Virginia, between Wilson Boulevard and Fairfax Drive, one block south of the Ballston-Marymount University Metro stop on the Orange Line.

Parking is available in the Ballston Common mall, in the NSF building, and at other area parking lots and garages. Metered parking is also available on the surrounding streets.

Visitors are asked to check at the NSF Reception and Information Conference Center on the first floor to receive a visitor pass, before going on to meetings, appointments, or other business at the NSF.

Travel Links:

This list of links serves as a center point of links to important information concerning Federal travel. This includes current Per Diem rates, Airfare, Currency Exchange Rates, and other topics of interest for NSF staff and visitors.

Travel Per Diem Rates

City-to-City Airfare Costs

Foreign Currency Exchange Rates


Travel Information:

The NSF building is located a few blocks from Route 66 and Route 50, approximately three miles from downtown Washington, D.C. and is easily accessible from many points of arrival and departure from within the metropolitan D.C. area.

For detailed directions, choose an arrival point from the list below:

Around NSF:

Visitors to the NSF building will find shopping and food facilities, including those at the Ballston Common (mall) Food Court and in the NSF building itself, are numerous and accessible. Visitors to this area may also be interested in general information for visitors to Washington, D.C., including the current weather information.

The NSF has a small cafeteria (Science Fare) on the second floor, just beyond the guard desk.

Local Maps / Attractions

Downtown Washington Visitor's Map
Visitor attractions and lodging in the Washington D.C. area (from Arlington County)
Government information from the General Services Administration

Local Area Weather
National Center for Atmospheric Research
Accuweather forecast for Arlington, VA

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NSF Celebrating 50 Years The National Science Foundation
4201 Wilson Boulevard, Arlington, Virginia 22230, USA
Tel: 703-292-5111, FIRS: 800-877-8339 | TDD: 800-281-8749
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