Ofcom records show that numbers starting 0911 are allocated to IV Response Limited. Note that due to number portability if an individual number has moved to a different operator this information is not publicly available.
The correct way to write telephone numbers beginning 0911 is in the format 0911 xxx xxxx
For more information on tariffs and usage of numbers starting 09 please visit the page on 09 numbers
To get more information on a full number beginning 0911, use our full UK number search.