Registration is available on the attorney general's website.
Phone numbers that have been registered by Monday will be added to the state's Do Not Call list beginning Jan. 1, 2013.
Indiana currently has over 100,000 cell numbers on the list.
Indiana Attorney General Greg Zoeller is supporting a bill that will make it much more difficult for telemarketers to reach you on your cell phone.
Indiana is looking to extend its Do Not Call policy to cell phones.
The Indiana Attorney General’s office has filed suit against a single Indianapolis resident who’s accused of breaking the state’s Do Not Call law.