Intro
Discover the 5 essential Allentown, PA zip codes to know for navigating the citys diverse neighborhoods and communities. From downtown to suburban areas, learn about the unique characteristics of 18101, 18102, 18103, 18104, and 18109 zip codes, and find the best fit for your lifestyle, work, or business needs in Lehigh Valleys largest city.
Allentown, Pennsylvania is a vibrant city with a rich history, cultural attractions, and a thriving downtown area. Located in the Lehigh Valley, Allentown is the third-largest city in Pennsylvania and has a diverse population of over 120,000 people. If you're planning to move to Allentown or simply want to explore the city, it's essential to know the different zip codes that make up this exciting city.
Understanding Allentown's Zip Codes

The United States Postal Service (USPS) has assigned several zip codes to Allentown, each corresponding to a specific area or neighborhood. Knowing the zip codes can help you navigate the city, find the best places to live, and access local amenities.
Zip Code 18101: Downtown Allentown
The 18101 zip code covers the heart of downtown Allentown, including the city's central business district, government buildings, and cultural attractions like the Allentown Art Museum and the Liberty Bell Museum. This area is also home to many restaurants, bars, and shops, making it a vibrant and lively neighborhood.
Zip Code 18102: East Allentown

The 18102 zip code encompasses the eastern part of Allentown, including the neighborhoods of East Allentown and Center City East. This area is known for its diverse community, with a mix of old and new homes, apartments, and commercial properties.
Zip Code 18103: South Allentown
The 18103 zip code covers the southern part of Allentown, including the neighborhoods of South Allentown and the Lehigh River waterfront. This area is home to many parks, recreational facilities, and the Lehigh Valley Zoo.
Zip Code 18104: West Allentown

The 18104 zip code covers the western part of Allentown, including the neighborhoods of West Allentown and the Trexler Park area. This area is known for its tree-lined streets, historic homes, and easy access to the Trexler Park Arboretum.
Zip Code 18105: North Allentown
The 18105 zip code encompasses the northern part of Allentown, including the neighborhoods of North Allentown and the Lehigh Valley International Airport. This area is home to many industrial and commercial properties, as well as the airport and surrounding amenities.
Conclusion
In conclusion, Allentown's five main zip codes offer a diverse range of neighborhoods, amenities, and attractions. Whether you're looking for a vibrant downtown area, a family-friendly neighborhood, or a convenient location near the airport, there's a zip code in Allentown that's right for you. By understanding the different zip codes, you can make informed decisions about where to live, work, and play in this exciting city.
What is the main zip code for downtown Allentown?
+The main zip code for downtown Allentown is 18101.
Which zip code covers the eastern part of Allentown?
+The 18102 zip code covers the eastern part of Allentown.
What is the zip code for the Lehigh Valley International Airport?
+The zip code for the Lehigh Valley International Airport is 18105.