Cell phone numbers are being released to telemarketing companies and you may start receiving calls. You will be charged for these calls but can prevent it by registering you cell phone number in the National Do Not Call Regristry.
You can 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. This will block your number for five (5) years. You must call from the cell phone number you want blocked and cannot call from a different number. You can also go directly to the website to register any numbers.