Armagh, PA

ZIP code 15920 encompasses the rural area of Cairnbrook, Pennsylvania, nestled in the scenic foothills of the Allegheny Mountains. This area is home to the historic Abandoned Pennsylvania Turnpike, a popular destination for hikers and cyclists. Additionally, the Flight 93 National Memorial, honoring the passengers and crew of United Airlines Flight 93, is located nearby, drawing visitors from across the country to pay their respects.