97143187399

I receive message from 4065,
Message : Dear customer, your payment against Etisalat A/C # 056 xxxxxxx-0 is still pending, kindly settle the dues immediately to avoid further escalation, please ignore the SMS if already paid or contact 043187399 for any clarifications.....

So I try to dial the same contact number, but Still I am getting voice is... that number is invalid.... like this. So what use for the message and contact number? I am thinking it is fake message...because it was I pade full amound then again & again I am receiving the same message & E-mail also... I don't know