[protected] — Annoyance of 58234

Address: Bangalore, Karnataka, 560076

Hi,
It's been a while that I'm paranoid of the situation where my mobile sends automatic message to unknow number which is 58234. When I called Airtel they weren't helpful and called apple, each one blames each other for it.
As Airtel asked me to do I have deleted and download apps since it can be a subscription. Took out sim and placed it an other phone. Still the problem persists and I need solution to it.

Please someone help me out with that.

Thanks in advance