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
: Latrobe, PA (the home of Arnold Palmer and the training camp for the Pittsburgh Steelers).
: Irwin, PA (a historic borough on the Pennsylvania Turnpike). 156496 zip
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
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. You can verify any specific address or find
If you intended to look up a specific landmark or city, you might have been searching for:
: 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 If you are looking for the area defined
: 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.