Block you cell phone from going public

[freeringo]

REMEMBER: Cell Phone Numbers Go Public this month.
>
> REMINDER..... all cell phone numbers are being released to telemarketing companies and you will start to receive sales calls.
>
> .... YOU WILL BE CHARGED FOR THESE CALLS
>
> To prevent this, call the following number from your cell phone: 888-382-1222.
> It is the National DO NOT CALL list. It will only take a minute of your time.. It blocks your number for five (5) years. You must call from the cell phone number you want to have blocked. You cannot call from a different phone number.

[thejuanupsman]

This isn't quite accurate. Although there is some truth to it.

snopes.com: Cell Phone Numbers Given to Telemarketers