Unknown SMS Spamming

I have no idea where they (sms SPAM sender) get my mobile phone number, but it's quite annoying shit. The SMS from an unknown sender reads..

Date : 23/05/2010
Senders mobile no. : +60195970415
RM0: CUN! Saksikan aksi 26 org ex-GF sy (pramugari) yg sy rakam utk hiburan sendirian......!!!! Taip ON LEFN htr ke 32889 SMS OUT to optout ISB 0164091975

Date : 27/05/2010
Senders mobile no. : +60132394081
RM0: CUN! Saksikan aksi 26 org ex-GF sy (pelbagai NEGARA pramugari) yg sy rakam utk hiburan sendirian..!!! Taip ON LEFN htr ke 32889 SMS OUT to optout ISB 0164091975

FUCK OFF MTHFKR! Stop sending. I'm gonna track down this mobile phones from the operator and make a complaint! pffff! Pissed off.

And also for all the clubs SMS spamming, ANNOYING too, you guys should send out SMS of how to unsubscribe from the subscriber's database.