Who called from 3363950587

Has called numerous times at different times during the day. This last time I could hear someone breathing on the other end and then s/he hung up.

Missed call. Returned call per caller ID @10pm. Rang 20+ times, no anwser.

3363950587 keeps calling but will not say anything.

got the call 835 on 8-26-14 said it was fire dept checking to c if i had checked my fire detectors, when i picked up phone he id himself i told him i had no money to give to fire dept thats when hes said he was checking to c if i had checked my fire dect tryed to call back no ans 20 rings

336-395-0587 has been calling my house phone at 715 pm for the past few nights no one ever talks and wheni call back no answer how do you block numbers calling home phones