The IMEI number appears on your mobile/cell phone. To locate the number, make sure your phone is turned off and remove the back cover. Underneath the cover, you will find the battery. Take the battery out. Underneath the battery is a sticker with several bar codes on it. The 15-digit IMEI/serial number is on the white bar code label usually following the letters "IMEI".

You can also find your IMEI number by entering *#06# from your mobile phone. The IMEI number will be displayed on the screen.