156642 Zip Now

: Find a full 9-digit (ZIP+4) code by entering a street address on the official USPS website.

: The area is primarily residential and rural. You can find more specific local business listings via tools like MapQuest. Similar ZIP Codes Nearby 156642 zip

: Mammoth is a small community in Westmoreland County . Time Zone : Eastern Time Zone . : Find a full 9-digit (ZIP+4) code by

If 15664 is not the location you intended, these similar codes are in the same region: Similar ZIP Codes Nearby : Mammoth is a

The ZIP code primarily serves Mammoth, Pennsylvania , located in Westmoreland County. While the specific string "156642" may appear in some contexts, standard U.S. ZIP codes consist of five digits (like 15664). If you are looking for a six-digit code, it is likely a 5-digit ZIP followed by a single digit, or a typo for nearby codes like 15642 (Irwin, PA). Key Details for ZIP 15664 (Mammoth, PA)