Mifflinville, PA

ZIP code 18631 covers the area of New Berlin in central Pennsylvania. This rural area is known for its picturesque landscape, including the Susquehanna River and Buffalo Valley Rail Trail. The community is home to popular landmarks such as the Dale/Engle/Walker House, a historic site dating back to the 18th century, and the Union County Sportsmen's Club, a local hub for outdoor enthusiasts.