Blocking a iPhone

[Jarrid]

I need to get in contact with some to block a lost iPhone!

[Yeldarb]

The general contact number should be able to help you with this if and when you can get through.

https://www.optus.com.au/for-you/support/answer?id=1501 

https://www.optus.com.au/for-you/support/contact-us 

[petergdownload]

iPhones should also have a remote blocking option in iTunes / Find my phone etc?