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Zoo Passes Help

The Zoo is free, but Entry Passes are required for all guests, including infants.

Can't find your email with your passes? 
You should receive your passes from If you don't see them in your main inbox, please check your spam folder. If you're having trouble finding the email, you can also view your tickets by returning to the Smithsonian's National Zoo and Conservation Biology Institute's website and clicking on "Access Your Passes."

Please note that refunds for paid parking passes are available until the day before your reservation. Same-day parking refunds are not available.

Paid Parking Passes can be exchanged online here, if there is a parking available for your new visit date. You do not need to change your free entry passes with this option.
If you would like to exchange free entry passes or member passes with or without parking, please fill out the form below.

Group Tickets
For parties of 15 or more, Group Reservations are required. Please use the Group Reservation Booking Form here.

Still need help? Please fill out the form below.