I get fake calls from 9007558479, who is using this no.

[ss47]

I want to know the username of the mobile no. 9007558479

 

[WR2]

Talk to your mobile service provider.

 

[MrWiggly]

International scams in the past have used 900 numbers. 900 is for toll calls like Miss Cleo where they don't take your credit card number, instead they charge their fee to your phone bill.