156642 Zip Apr 2026

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: A more populated area in Westmoreland County that includes North Huntingdon.

If 15664 is not the location you intended, these similar codes are in the same region: 156642 zip

: If you were searching for a different state, this code covers Limestone County, Texas. How to Verify a ZIP Code

: Find a full 9-digit (ZIP+4) code by entering a street address on the official USPS website. To ensure you have the correct delivery information,

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)

: Check all ZIP codes assigned to a specific city using the USPS City/State search . ZIP Code™ Lookup | USPS The ZIP code primarily serves Mammoth, Pennsylvania ,

: Mammoth is a small community in Westmoreland County . Time Zone : Eastern Time Zone .