Strange Unknown Phone Numbers?

Question

I have received 3 calls from a 12 digit phone number and I have tried calling them back and it said "The number you have dialed is not a working telephone number, please check the number and try again."

Here are 2 of the numbers, the other one i accidentally deleted.

50622408010 and 50622153718

I refuse to answer them, due to the fact that they may be scams. If you could find out who it is or where there calling from that would be just wonderful! I have searched and couldn't find anything.

Thanks in advance! :)

Answer 1

Someone answered their phone and got a message about saving on their mortgage.

Answer 2

Rip off sales agencies will disconnect their phones when they're not working. I'm surprised you even captured  their numbers, often they use *66, or whatever the code is to hide their numbers from you.

Answer 3

omg thats been happening to me too!

i have no idea who/what it is and i think its just one of those recordings