https://community.o2.co.uk/t5/Discussions-Feedback/Block-numbers/m-p/180684#M14000 o2 do not block numbers.<BR />If it is a problem ring customers services and they can change your number once for free. Or ask for the nuisance call breau but they will not block Thu, 16 Jun 2011 15:48:11 GMT adamtemp64 2011-06-16T15:48:11Z https://community.o2.co.uk/t5/Discussions-Feedback/Block-numbers/m-p/180682#M13998 I have been receiving unwanted phone calls, please tell me how to block a number. I have a Nokia 6300 Fri, 05 Nov 2010 08:20:42 GMT https://community.o2.co.uk/t5/Discussions-Feedback/Block-numbers/m-p/180682#M13998 Anonymous 2010-11-05T08:20:42Z https://community.o2.co.uk/t5/Discussions-Feedback/Block-numbers/m-p/180683#M13999 Call O2 Thu, 16 Jun 2011 15:45:12 GMT https://community.o2.co.uk/t5/Discussions-Feedback/Block-numbers/m-p/180683#M13999 Anonymous 2011-06-16T15:45:12Z https://community.o2.co.uk/t5/Discussions-Feedback/Block-numbers/m-p/180684#M14000 o2 do not block numbers.<BR />If it is a problem ring customers services and they can change your number once for free. Or ask for the nuisance call breau but they will not block Thu, 16 Jun 2011 15:48:11 GMT https://community.o2.co.uk/t5/Discussions-Feedback/Block-numbers/m-p/180684#M14000 adamtemp64 2011-06-16T15:48:11Z