Its a well known fact in telemarketing industry that once a telemarketer detects that their call is being blocked by your smart phone then they use another number that is slightly different than the one they called from.
With this app you will be able to add all numbers originating from a specific area code with one push of a button as telemarketing numbers so that you know not to pickup the call when they ring.
This app also gets the latest list of all telemarketer 1-800 phone numbers from our servers which are maintained on a monthly basis.
Disclaimer: This app is for USA or Canada telephone numbers only and it does not block calls. It only informs you not to pickup the phone when a telemarketer calls.