Post Office


A United States Post Office is located behind the Caver's Camp Store near the Mammoth Cave Campground. (270)758-2311.

The postal code for Mammoth Cave is 42259.

Post Office Hours:
Monday-Friday: 10:30 - 2:30
Saturday: 12:30 - 2:30


Contact the Park

Mailing Address:

P.O. Box 7
Mammoth Cave, KY 42259-0007


(270) 758-2180
General information line for Mammoth Cave National Park

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