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× The Zoo is open! Entry passes are required for all guests, including infants. All visitors ages 2 and older are required to wear a mask in all indoor spaces at the Zoo, regardless of their vaccination status. Fully vaccinated visitors do not need to wear a mask in outdoor areas.
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Contact Us

Phone Numbers

General Information: 202-633-2614

Guest Services: 202-633-2614

Zoo Police: 202-633-4134

Membership Services: 202-633-2922

Donations/Advancement Office: 202-633-0703

Education and Volunteer Office: 202-633-3025

Media Inquiries: 202-633-3055; Please visit the Newsroom for more information.

Image and Copyright Use: 202-633-3055

Lost and Found: For items you may have accidentally left at the Zoo, please call the Zoo Police at 202-633-4134, or visit the Police Office off Olmsted Walk by Mane Grill.

Community News: Are you a neighbor to the Zoo? Please see the Community News page for updates on Zoo projects or to email the neighborhood inbox.

Visiting Address

Smithsonian’s National Zoo & Conservation Biology Institute
3001 Connecticut Ave., NW
Washington, DC 20008

Mailing Addresses

Smithsonian's National Zoo & Conservation Biology Institute
P.O. Box 37012 MRC 5516
Washington, DC 20013

Smithsonian Conservation Biology Institute
1500 Remount Road
Front Royal, VA 22630