04-10-2012 11:24
04-10-2012 11:24
04-10-2012 11:31
No, they are not. See this link for charges to those prefixes:
http://www.o2.co.uk/support/generalhelp/howdoi/specialnumbers
04-10-2012 20:00
General rule of thumb: If its not a mobile or a house phone number its probably chargeable.
Any 08 (even 0800), 09, or 118 type numbers and any uk to international calls are chargeable at various rates. The link above is good for advising which numbers cost what.