There are 25 unique ZIP codes in Trenton, New Jersey. Area code: 609.
25
ZIP codes
57.91
sq mi land
1.84
sq mi water
609
area code
Trenton, NJ ZIP code map
About Trenton, NJ
Trenton, NJ is the capital city of the state of New Jersey, known for its rich history and vibrant culture. As the county seat of Mercer County, Trenton plays a vital role in the political and economic life of the state. The city boasts a diverse population and a variety of attractions that appeal to residents and visitors alike.
Location & geography
Trenton is situated in the west-central part of New Jersey, serving as a key hub in the region. Neighboring cities include Hamilton Township, approximately 4 miles to the north, Ewing, about 3 miles to the south, and Philadelphia, which lies roughly 30 miles to the southwest. The city encompasses a total land area of 75.59 square miles, along with a water area of 2.26 square miles, featuring a mix of urban landscapes and natural assets.
Community & economy
The character of Trenton is shaped by its diverse communities, a mix of cultures, and a strong sense of local pride. Key industries in the area include healthcare, education, and manufacturing, with the city serving as a base for various state government services. Daily life in Trenton includes attending events at local parks, exploring historical landmarks, and enjoying a variety of dining options throughout the city.
Transportation
Trenton is easily accessible via major highways such as Interstate 295 and Route 1, which connect the city to surrounding areas and beyond. The nearest airport is Trenton-Mercer Airport, providing both domestic and limited international flights, while public transportation options such as NJ Transit trains and buses offer convenient travel throughout New Jersey.
History
Trenton was officially founded in 1719, with its strategic location along the Delaware River contributing to its growth and significance. The city played a crucial role during the American Revolution, particularly known for the pivotal Battle of Trenton in 1776. Over the years, Trenton has been characterized by its historical industries, such as pottery and iron, paving the way for its current economic landscape.
Did you know?
One surprising fact about Trenton is that it was the site of George Washington's famous crossing of the Delaware River during the Revolutionary War. Additionally, the city is home to the New Jersey State Museum, which houses a variety of art, history, and natural science exhibits.
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions
What ZIP codes does Trenton, NJ have?
Trenton, NJ has 16 ZIP codes: 08608, 08609, 08610, 08611, 08618, 08619, 08620, 08628, 08629, 08638, 08645, 08646, 08647, 08666, 08690, and 08695. Each ZIP code serves a distinct delivery area within the city and surrounding region.
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