Area Code 646 is a telephone area code in the North American Numbering Plan. It was created in 1999 as an overlay for the existing Area Code 212, covering parts of New York City. This area code primarily serves Manhattan, providing residents and businesses with a unique identifier for phone numbers. The 646 area code is known for its association with urban life and is often used by businesses and individuals in the bustling city. It allows for a greater number of phone numbers in a densely populated area, ensuring that communication remains efficient and accessible.