156642 Zip (90% TESTED)

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

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) 156642 zip

If 15664 is not the location you intended, these similar codes are in the same region: : Mammoth is a small community in Westmoreland County

: A more populated area in Westmoreland County that includes North Huntingdon. While the specific string "156642" may appear in

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

: Check all ZIP codes assigned to a specific city using the USPS City/State search . ZIP Code™ Lookup | USPS

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