*3001#12345#* and tap Call: Field Mode (iPhone network and cellular information)

*#06# : IMEI number.

*777# and tap Call: Pre-paid account balance.

*225# and tap Call: Post-paid account balance.

*646# and tap Call: Post-paid minute balance.

*#21# and tap Call: Call feature settings (enabled/disabled) for voice, data, fax, SMS, sync, async, packet access, call forwarding.

*#30# and tap Call: Caller-ID display check (enabled/disabled)

*#76# and tap Call: Connected call display check (enabled/disabled)

*#43# and tap Call: Determine if call waiting is enabled.

*#61# and tap Call: Call forwarding number with service (no-answer)

*#62# and tap Call: Call forwarding number without service (no-ring)

*#67# and tap Call: Call forwarding number when busy
*#33# and tap Call: Check outgoing services for call-barring (enabled/disabled)

Last 5 posts by Deepak Shrivastava

• New Concept from NOKIA - January 3rd, 2009
• Impact of Gadgets - December 31st, 2008
• What is Google G1?? - December 24th, 2008
• Cool Internet Radio Device - December 22nd, 2008
• NAME OF THE RECENT GAMES IN PC.... - December 19th, 2008