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area code

Biggest city:

Jersey City



New Jersey

Eastern (GMT -5)

Nearby area codes: 

Zip codes



Major Cities:

Jersey City, Hackensack, Bayonne, Union City, Fort Lee.

Jersey City

Average Income:





Unemployment Rate:

The 551 area code is a key part of the telecommunications infrastructure in northeastern New Jersey, playing a vital role in the connectivity of this densely populated and economically diverse region. Serving Northeastern New Jersey: Introduced as an overlay to the existing 201 area code in 2001, the 551 area code covers the same geographical area in northeastern New Jersey. This includes significant cities and communities like Jersey City, Hackensack, and Bayonne. The introduction of 551 was a response to the increasing demand for new phone numbers in this urbanized and rapidly growing region. Supporting a Vibrant Urban Population: The region served by the 551/201 area code combination is known for its close proximity to New York City and its dynamic urban environment. The area is a hub for business, culture, and transportation, with a diverse population and a range of economic activities. The 551 area code supports the high volume of communication required by these communities and their varied activities. Adapting to Technological and Demographic Changes: The implementation of the 551 area code as an overlay to 201 reflects northeastern New Jersey's adaptation to urban expansion, technological advancements, and demographic shifts. It ensures a continuous supply of phone numbers for new residents, businesses, and technological services, signifying the region's ongoing development and its capacity to adapt to changing telecommunications needs. The 551 area code, in conjunction with the 201 area code, is more than just a set of digits; it's a symbol of northeastern New Jersey's adaptability, diversity, and vibrancy, playing a critical role in connecting the area's dense urban communities and supporting its economic and cultural activities.
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