Sometimes we do not know what is the Number of SIM Card you have used. Without call your friend or family you can check your SIM Card number. Below is the way to get your SIM Card number.
Telkomsel
*808*1#
Indosat
*123*30#
XL/Axis
*123*4444#
3
*111*4#
Smartfren
*123*9#Thats it . Thank you