The 201 area code was established in 1947 as one of the original area codes for the North American Numbering Plan (NANP), which was designed to streamline and simplify telephone numbering across North America.
The 201 area code originally covered the entire state of New Jersey because it was the state with the highest population density in the nation at the time. But as the population of New Jersey grew and more phone numbers were needed, new area codes were added. Today, New Jersey currently utilizes 10 area codes.
Currently the 201 oldest area code covers parts of northeastern New Jersey. There are numerous cities with a 201 area code. The biggest cities amongst them include Jersey City, Union City, Bayonne and Hoboken.
Hoboken is one of the most well known of New Jersey’s cities. It is an artsy city, known for being the birthplace of Frank Sinatra, where baseball was invented, where the zipper was invented, and where the first Oreo cookie was sold.
