Numbers with this prefix were first introduced in 2010.While 6579991951 was originally issued with the info above, the owner of the phone number (657) 999-1951 may have transferred it through a process called porting.
Caller type: Unknown
Speaking in Arabic (I suspect) on the messages left on voice mail. Have called me at least 3 times. Also receiving texts in Arabic now. This scares me as I have no affiliations with anyone or any place that would contact me.
Caller type: Scammer/Fraudster
1st I received a text message from stating an activation code for Whatsapp. I then received a call which I did not answer however, I did listen to the voicemail and it was a recorded message stating an activation number again. I've blocked the number so hopfeully I won't receive more calls.