Boswell, PA

ZIP code 15531 is located in the rural area of Stoystown, Pennsylvania. The area is most notable for being the site where United Airlines Flight 93 crashed on September 11, 2001. The Flight 93 National Memorial is the most important landmark in this ZIP code, honoring the passengers and crew who bravely fought back against the hijackers. Additionally, the Stoystown Auto Wreckers is a well-known salvage yard in the area.