| 219 | Indiana Northwestern (Chesterton, Crown Point, Gary, Hammond, Hobart, Merrillville, Michigan City, Portage, Valparaiso) More information at: Area Code 219 Phone Number Blocks |
| 260 | Indiana (Fort Wayne, Decatur, Angola, Wabash and northeastern Indiana) More information at: Area Code 260 Phone Number Blocks |
| 317 | Indiana (Indianapolis, Carmel, Greenwood, Mooresville, Beech Grove and central Indiana) More information at: Area Code 317 Phone Number Blocks |
| 574 | Indiana (South Bend, Logansport, Elkhart, Warsaw, Nappanee and north central Indiana) More information at: Area Code 574 Phone Number Blocks |
| 765 | Indiana (Lafayette, Marion, Muncie, Richmond and central Indiana excluding Indianapolis) More information at: Area Code 765 Phone Number Blocks |
| 812 | Indiana (Southern Indiana, including Bloomington, Evansville, Jeffersonville, New Albany, and Terre Haute). More information at: Area Code 812 Phone Number Blocks |
