How do I obtain a pin number?

i have been trying to retrieve a message on my phone but can't seem to find out how. I need some help.

new pin code

forgot my pin ,, it shouldbe 6591

I fome my 4 digitd pin code to my phone 

what is my dogs name

where is canada

What is my pin number

Forgot pin number to phone

Your PIN code is usually the last 4 digits of your phone number. If that doesn't work, you may call Virgin Mobile (611 from your Virgin Mobile phone or 1-888-999-2321 from any phone) and request for your PIN code.