Cell Numbers Going Public JUST A REMINDER, on January 18, 2006 cell phone numbers are being released to telemarketing companies and you will start to receive sale calls. YOU WILL BE CHARGED FOR THESE CALLS! These telemarketers will eat up your free minutes and end up costing you money in the long run. To prevent this, You can register online at: http://www.donotcall.gov. It will only take a minute of your time. It blocks your number for five (5) years.