All cell phone numbers are being released to telemarketing companies and you may start to receive sales calls.  YOU MAY BE CHARGED FOR THESE CALLS depending on your calling plan!  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 are wanting to have blocked . You cannot call from a different phone number.