Greensburg, PA

ZIP code 15606 is situated in Westmoreland County, Pennsylvania. This area is home to the picturesque town of Mammoth, which is known for its stunning natural beauty. Some of the most notable landmarks in ZIP code 15606 include the Laurel Ridge State Park, offering hiking and outdoor recreational activities, and the Flight 93 National Memorial, a moving tribute to the heroes of September 11, 2001.