Complaints about Phone Numbers717-904-####

Spam

717- 904-9469 This 717-904- **** call two to three times per day never leaves a message. Each time they call the last 4 digits are different. Have tried answering the call usually silence then a busy signal today got a message to press 1 to continue. I did not. A few weeks ago I called the number back got message saying number was no longer in service and then a recording went on to say press 1 if you want to 1,000 dollars, press 2 for warranty, press 3 for insurance etc. I have notified the ftc. Can not use call blocking as the last 4 numbers never stay the same.