this iphone has been lost. please call me.

This is a user-to-user technical support forum. No one is going to call you from here.

If you had Find My iPhone enabled, you can go to www.icloud.com and see if you can locate the phone, put it in lost mode or erase it as appropriate. If you never enabled Find My iPhone, you will need to look for the phone yourself.

See this article:

If your iPhone, iPad, or iPod touch is lost or stolen

Thank you for helping me. My problem is I bought the bloody phone brand new 2 weeks ago and it was fine up until 4 pm today. It in my hand and it is NOT LOS T OR STOLEN...