There are no valid phone numbers with a 1 in the 4th position.
This is a criminal organization that should be dealt with by a US drone with a Hellfire missile.
Said hello, hear silence for two seconds than he picked up (all scams work that way) and he asked for me by name. I said "is this NAME NOT FOUND" which is what it said on my readout. He said I wasn't a nice guy and would call back and then hung up. He is now blocked!