The ZIP code belongs to New Alexandria, Pennsylvania , located in Westmoreland County.
: Irwin, PA (a historic borough on the Pennsylvania Turnpike). 156496 zip
You can verify any specific address or find a full 9-digit ZIP+4 code using the official USPS ZIP Code Lookup tool . ZIP Code™ Lookup - USPS Tracking The ZIP code belongs to New Alexandria, Pennsylvania
If you are looking for the area defined by the first five digits (), here are the most interesting features of that location: The Heart of Keystone State Park located in Westmoreland County. : Irwin
While is not a valid 5-digit ZIP code —as U.S. ZIP codes are strictly 5 digits long—it likely refers to a ZIP+4 format (15649-6XXX) or is a typo for a valid 5-digit code in the 156XX range.