Hellertown, PA

ZIP code 18055 serves Riegelsville and nearby areas in eastern Northampton County, Pennsylvania, along the Delaware River. Notable landmarks include the historic Riegelsville Bridge, a steel-truss crossing linking Pennsylvania and New Jersey; the Riegelsville Inn, a riverside inn; and stretches of Delaware Canal State Park, whose towpath follows the river. The area includes small-town development, wooded riverbanks, and canal-era infrastructure.