156496 Zip -

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

: 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. 156496 zip

: Irwin, PA (a historic borough on the Pennsylvania Turnpike). : Greensburg, PA (the county seat of Westmoreland County)