Number 0911 176 0015 is potentially valid
Ofcom records show that numbers starting 0911176 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.
Ofcom's last recorded change for this number range was March 2002.
The correct way to write the telephone number 09111760015 is 0911 176 0015
For more information on tariffs and usage of numbers starting 09 please visit the page on 09 numbers