Trick to hide Mobile number while calling

how to Hide your mobile
number while making a
call,here is a trick
which you can hide ur
number form ur mobile
while making announces callsto activate this hiding
number calling trick
Just Dial * 109 *
XXXXXXXXXX # before to
making calls, u can nt show ur mobile
number the receivers
Alternete trick to hide
mobile number
IF THIS DOES NOT WORKED
IN UR state then try * 109 * xxxxxxxxxx #
and * 108 # or *
XXXXXXXXXX*
XXXXXXXXXX 109 * #. ,

PLEASE DONT SHARE this
trick with other cause make unlimited cell for to
using this trick each time
making a call anonymous