i cant change my phone number?

[Weerayut Phengsri]

because i change my phone long time

my old number is gone  and cant use for change phone number plese help

[Sergey Golubev]

We are the forum users, and we can not help you with this issue to change your phone number.
You can contact with the service desk (look at " Contacts and requests " link at the bottom of this page),
and read this short thread to know about how the other people was trying to change the number:

How to change phone number