Kit Kat Chunky Yoghurt – barcode: 6001068696604
Kit Kat Chunky Plain – barcode: 6001025231800
Kit Kat Chunky Irish Cream – barcode: 6001068696505
Kit Kat Chunky Mint – barcode: 6001068696406
They are definitely tracking cell number as they ask different questions each time. Age group, Province, Gender, etc
If it is only a 1000 Nexus tabs globally, chances of winning are slim …
DIAL *120*548528*THE LAST 4 DIGITS OF YOUR KIT KAT BARCODE#
and stand a chance to win one of 1000 nexus tablets. Cost 20c/20sec
Please note in the fine print it says
Customers may also be asked to produce or send in their till slip confirming the purchase of Kit Kat promotion products for the time of entry …
So make sure you have bought before using the barcode or can get hold of a till slip.