Spooky But Ontong!!!

Early in the morning I saw this message in my phone. Don't know who is this send me a $2.00 credit for me. I think this person sent it wrong kali so I message back to the number and told I'm don't deserve it and want to return it back but don't know why the message it just cannot send to the number above! Then I try to call back it only have the sound Du.................... like this  number is not exist!!!
This is strange lah bruther!!! how come like that? If you don't believe me bah you try to call the number lah!!! Is kinda a spooky but anyway I ontong lah!