Lairdsville, PA

ZIP code 17742 covers Mifflinburg, Pennsylvania, a quaint borough in Union County. Home to Mifflinburg's Historic District, this area boasts charming 19th-century architecture and the famous Mifflinburg Buggy Museum, showcasing the town's rich history in carriage-making. With its tree-lined streets and unique shops, ZIP code 17742 offers a glimpse into small-town Americana.