Area Code 313 is a vital part of telecommunications in the United States, specifically serving the city of Detroit, Michigan, and surrounding areas. It has a rich history dating back to the establishment of the North American Numbering Plan (NANP) in the mid-20th century, symbolizing Detroit's place in the national communication network. https://ippbx.com/blog/what-is-area-code-313-number-how-to-get-it/