: This ZIP code is the gateway to Keystone State Park , a popular 1,200-acre destination known for Keystone Lake. It is a major local hub for swimming, boating, and year-round fishing.
: Irwin, PA (a historic borough on the Pennsylvania Turnpike). 156496 zip
: 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 : This ZIP code is the gateway to
If you intended to look up a specific landmark or city, you might have been searching for: : According to the U
: Greensburg, PA (the county seat of Westmoreland County).
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