15664 ZIP Code Mammoth, Pennsylvania – USA
The ZIP code 15664 is assigned to Mammoth city, located in the Westmoreland county that is part of the state of Pennsylvania, PA, United States.
15664 zip code map
Postcode location
Mammoth Pennsylvania,PA
State of 15664
Check all the Pennsylvania ZIP Code list.
US ZIP Codes
Please check all state’s postal code in the United States.