Answer : I got this info from harrytse. I just copy and paste.

You can check your System ID, but doing the following:
From the idle screen: (assuming you haven't changed your security code)


Select NAM1
Scroll to Home System ID. This is your System ID.

You'll also need the country and provider code
for the provider codes are:
Rogers AT&T (Canada): 2050
AT&T (United States): 2049

The Country Codes are:
Canada: 302
United States: 310

More details instructions below:

Note Once you're inside the *3001 menu there is no back button, you'll have to turn off the phone and turn it back on again.

"Well y'know sorry but screw that."