Area code 901 is a telephone area code in the North American Numbering Plan (NANP) that serves Memphis, Tennessee, and most of its inner-ring suburbs. It covers southwestern Tennessee, including the city of Memphis and surrounding areas such as Shelby, Tipton, and Fayette counties. Other cities within this area code include Bartlett, Collierville, Germantown, Arlington, and Millington. The area code is located in the Central Time Zone and is one of the original area codes established in 1947, initially covering the entire state of Tennessee before being split into smaller regions