end my cintract

[chelle2]

I want to end my contract, I have moved to Australia so I no longer require this

[pgn]

Guide: Cancelling Your Contract is what you need, but you may need to use Skype Guide: A Guide to Skype to contact O2 CS using the 0800 number if you cant use your mobile..and call +44 800 902 0217

If your mobile still has service,

From abroad

+44 7860 980 202

Other contacts in here:

Guide: How to find help & contact O2 

Or write a letter to:

Telefónica UK Limited
Correspondence Department

PO BOX 694

Winchester

SO23 5AP

Good luck, @chelle2.