what area code is 903

The area code 903 is located in northeastern Texas and covers cities such as Tyler, Longview, and Sherman. It was created on November 4, 1990, in a split of area code 214, and it has a single overlay (430) that serves the same area. The numbering plan area begins just north and east of the Dallas–Fort Worth metroplex and extends to the Oklahoma, Arkansas, and Louisiana state borders.