WHAT YOU NEED TO KNOW
Area code 201 serves northeastern New Jersey, covering Jersey City, Hackensack, Hoboken, and Fort Lee, among other communities in Hudson and Bergen counties. Established in 1947 as one of the original NANP codes, it was reduced to its current footprint after splits in 1991 and 1997. The code covers approximately 1.7 million residents.
- Population: ~1.7 million residents across the covered counties
- Overlay: Overlay: 551 (added 2001)
- Dialing: 10-digit dialing required
- Source Type: Local geographic code
Geographic Coverage
Area code 201 covers two primary counties in northeastern New Jersey: Hudson County and Bergen County. Hudson County includes dense urban centers such as Jersey City, Hoboken, Bayonne, and West New York, sitting directly across the Hudson River from Manhattan. Bergen County includes suburban and commercial hubs like Hackensack, Fort Lee, Teaneck, Paramus, Englewood, Bergenfield, and Lodi. The code also serves parts of Passaic County, including Paterson, Clifton, Passaic, and Garfield. Together these municipalities form one of the most densely populated regions in the United States.
Population and Business Context
The 201 area encompasses one of the most economically significant markets in the northeastern United States. Its proximity to New York City drives a diverse business environment that includes financial services, logistics, healthcare, retail, and media. Jersey City is home to major financial institutions and a growing tech sector. Bergen County hosts a high concentration of corporate headquarters and a robust retail corridor centered on Paramus. The region's high population density and above-average household incomes make it a competitive market for businesses in nearly every industry.
Area Code History
Area code 201 was one of the original 86 area codes established when the North American Numbering Plan launched in 1947, and it originally covered the entire state of New Jersey. As population grew, New Jersey's single code was divided multiple times. Area code 609 was split off in 1958, followed by 908 in 1991, and then 732 in 1997. Each split reduced 201's footprint. The code was further supplemented in 2001 when overlay code 551 was introduced to address numbering exhaust in the same geographic area.
How to Dial
All calls within the 201 area code require 10-digit dialing, meaning you must dial the full area code plus the 7-digit local number even when calling another 201 number. This requirement applies because 201 shares its geographic territory with overlay code 551. When dialing from outside the region, include the country code 1 before the 10 digits. There is no need to dial 1 before local calls within New Jersey under current FCC guidelines for 10-digit dialing areas.
Need a 201 Number for Your Northern New Jersey Business?
Businesses operating in Hudson, Bergen, or Passaic counties can establish a local presence with a 201 area code number through Convirza. Convirza provisions trackable local numbers in any North American area code, so your marketing campaigns and sales lines can carry the regional identity that Northern New Jersey customers recognize. Every call through a Convirza 201 number is scored, recorded, and source-attributed using dynamic number insertion (DNI), so you know exactly which channel drove each call. Calls can be routed to any team member, office location, or call center, and you get full analytics to measure performance across campaigns.
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