Allentown, NJ

ZIP code 08501 is home to the borough of Allentown, New Jersey. This small town is known for its charming historic district, which features well-preserved 18th and 19th-century buildings. Notable landmarks in the area include the Old Mill, which dates back to the 18th century and now houses a boutique shopping and dining destination, as well as the picturesque Lake Carnegie, a popular spot for fishing and boating.