Allentown, PA

ZIP code 18103 is located in Allentown, Pennsylvania. This area is home to notable landmarks such as Lehigh Valley Hospital-Cedar Crest, Trexler Park, and Lehigh Valley Mall. The zip code covers neighborhoods in South Whitehall Township, Salisbury Township, and Allentown. Residents can enjoy the amenities and convenience of nearby shopping centers, medical facilities, and recreational spaces in this vibrant community.