Short codes for US network providers

Short # codes

Short code	Result	Operator
#MIN# (#646#)	Sends the minutes usage to your handset as a message	T-Mobile USA
#NUM# (#686#)	Sends your mobile number to you as a message	T-Mobile USA
#999#	Sends the balance of your prepaid account to you as a message	T-Mobile USA
#BAL# (#225#)	Sends your balance to you as a message	T-Mobile USA

Short * codes

Short code	Result	Operator
*MIN# (*646#)	Sends your minutes usage to your phone as a message	Cingular
*BAL# (*225#)	Gives you an update on your outstanding balance	Cingular
*NUM (*686)	Reads your mobile number to you with a voice recording	T-Mobile USA
*PAY (*729)	Enables you to make a free phone call to pay your bill	Cingular
*#100#	Sends you your mobile number as a message	Vodafone
*#1345#	Sends you your balance as a message	Vodafone
*#103#	Displays network time and date	Vodafone
*#147#	Displays the last incoming call, including time and date	Vodafone
*#105#	Displays cell tower information	Vodafone

Call codes for GSM networks

Command string	Result of command
#31#PhoneNumber	Masks your phone number from Caller ID (your call to PhoneNumber shows up as "Private Call").
*#21#	Checks status of call forwarding.
**21*PhoneNumber#	Forwards all calls to PhoneNumber.
##21#	Resets call forwarding to default.
*#67#	Checks status of forwarding for calls that arrive when you are busy.
**67*PhoneNumber#	Forwards all busy calls to PhoneNumber.
##67#	Resets busy call forwarding to default.
*#61#	Checks status of forwarding for calls that you don't answer.
**61*PhoneNumber#	Forwards all unanswered calls to PhoneNumber.
##61#	Resets unanswered call forwarding to default.
*#62#	Checks status of forwarding for calls that arrive when you are out of reach (when your phone is off or out of a service area).
**62*PhoneNumber#	Forwards all unreachable calls to PhoneNumber.
##62#	Resets unreachable call forwarding to default.

Verizon Wireless short codes

Short Code	Result
#MIN (#646)	Sends the minutes usage to your handset as a text message or voice message
#BAL (#225)	Gives account balance information as a text message or voice message
#PMT (#768)	Enables you to make a free phone call to pay your bill
*DWI (*394)	Reports a suspected drunk driver (might not work in all service areas)