The ZIP code belongs to New Alexandria, Pennsylvania , located in Westmoreland County.

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.

: Greensburg, PA (the county seat of Westmoreland County).

: According to the U.S. Postal Service decoding system , the "1" indicates the Northeast region (encompassing Delaware, New York, and Pennsylvania), while the "56" narrows it down to the Western Pennsylvania sectional center. Historical Significance

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

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

: Latrobe, PA (the home of Arnold Palmer and the training camp for the Pittsburgh Steelers).