"Do Not Call" Sign-Up Extended to April02/21/2017 If you live in Indiana, you have another month to get on the state’s “Do Not Call” list. Indiana Attorney General Curtis Hill says the deadline to register is April 1st. Being on the list helps you avoid those unwanted calls from telemarketers. The list works for landlines, wireless numbers and prepaid wireless numbers. For registration information, go to attorney general’s website.