There are 8 unique ZIP codes in Allentown, Pennsylvania. Area code: 484/610.
8
ZIP codes
59.62
sq mi land
0.75
sq mi water
484/610
area code
Allentown, PA ZIP code map
About Allentown, PA
Allentown is a vibrant city located in Pennsylvania, renowned for its rich history and dynamic community. As the largest city in Lehigh County, it serves as a cultural and economic hub in the region. The city is known for its diverse neighborhoods, local festivals, and a variety of recreational opportunities.
Location & geography
Allentown is situated in eastern Pennsylvania, approximately 60 miles north of Philadelphia and 90 miles west of New York City. The city shares its boundaries with several nearby municipalities, including Bethlehem and Easton, adding to its urban landscape. Covering a land area of 67.57 square miles and a water area of 0.87 square miles, Allentown features a mix of urban development and natural terrain.
Community & economy
The community in Allentown is characterized by its diverse population and a mix of cultures and traditions. The local economy is supported by various industries, including manufacturing, healthcare, and retail, which contribute to the city's growth. Daily life in Allentown is enriched by community events, farmers' markets, and a thriving arts scene.
Transportation
Allentown is accessible via major highways, including Interstate 78 and Route 22, providing convenient connections to surrounding areas. The nearest airport is Lehigh Valley International Airport, located just a few miles from the city, making air travel easily available. Public transportation options also serve the area, ensuring mobility for residents.
History
Founded in the early 18th century, Allentown played a significant role in the Industrial Revolution, primarily due to its strategic location along the Lehigh River. The city became known for its steel production, leading to significant economic growth and population increases. Notable events in its history include the hosting of the Liberty Bell during the American Revolutionary War, which underscored its importance.
Did you know?
One surprising fact about Allentown is that it is home to the renowned Allentown Art Museum, which boasts a diverse collection of American art. Additionally, the city has a rich music scene, often highlighted by the annual ArtsFest and various live music events throughout the year.
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions
What ZIP codes does Allentown, PA have?
Allentown, PA has 7 ZIP codes: 18101, 18102, 18103, 18104, 18106, 18109, 18195. Each ZIP code serves a distinct delivery area within the city and surrounding region.
What is the main ZIP code for Allentown, PA?
The primary ZIP code for Allentown, PA is 18101. The city uses area code 610 or 484 for phone service.
What county is Allentown, PA in?
Allentown is located in Lehigh County, Pennsylvania.
How many ZIP codes are in Allentown, PA?
Allentown, PA has 7 ZIP codes.
What ZIP code covers downtown Allentown and the historic district around the Allentown Public Library?
Downtown Allentown, including the historic district and civic center area, is primarily served by ZIP code 18101, which is the main commercial and cultural hub of the city.
What ZIP codes serve the Muhlenberg College area and surrounding neighborhoods in Allentown?
Muhlenberg College and its surrounding residential neighborhoods in Allentown are located in ZIP codes 18104 and 18106, covering the western portions of the city.
Need the complete Pennsylvania ZIP code database?Download all PA ZIP codes — Excel, CSV, or Access. Includes lat/lng, county FIPS & timezone.