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The phone line is answered during operating hours. Voicemails are replied to within 24 hours. Emaill will be answered within 3-5 business days.

The National Park Service is committed to providing high-quality customer service. We welcome your comments and suggestions. 
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Voice: 773-468-9310

Last updated: April 4, 2022

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Contact Info

Mailing Address:

11001 S. Cottage Grove Avenue
Chicago , IL 60628



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