Curious as to what your T-Mobile phone actually has the ability to do? What dark mysteries are actually revealed by pressing *69? Plunging the treacherous depths of... um the T Mobile support page; here's what we found.

Code Agency: T-Mobile secret codes:

Check out how many minutes you've used, press: #MIN# or #646# in plain speak
To find out how much money you owe, dial: #BAL# or #225#
Reset your voicemail password: #PWD# / #793#
To get Knicks tickets, poison your food, or check how many text/multi media messages you've used: #MSG# or #674#
See your remaining minutes, for prepaid: #999#
Buy more prepaid minutes... if you have the attention span: *ADD or *233
On/off the voice mail security: #PWO# / #796#
To show on phone number: #NUM# or #686#