The worldwide Emergency Number for cell phones is 112. If you find yourself out of the coverage area, dial 112 ( can dial even if the keypad is locked).
Hidden Battery Power:
Increase in power for emergency need. If your battery is very low, press keys *3370#. Your cell phone will restart with a reserve and will show a 50% increase in battery. The reserve will get charged when you charge your cell phone next time.
Disable a Stolen Phone:
To check your phone ‘s serial number, press keys *#06#. A 15 digit code will appear. This number is unique to your handset. If your phone is stolen, phone your service and provide this code. They will then be able to block handset and phone will be totally useless.
Free Directory Service for Cells:
Phone companies are charging from $1.00 to $1.75 for 411 information calls. Free calls can be made by dialing (800) FREE411 ( 800-373-3411). (Sponsored by McDonalds).