QwertyWEB

                       iPhone is making the internet go wild and every bit of iPhone news [ from launch to Hacks ] are creating huge waves all over blogosphere and twitterverse . Recently with unofficial launch of new iPhone 4G to how to jailbreak iPhone and with more and more applications [ both official and pirated ] , its a very big challenge in age of smart-phones like google's android and hp 's Palm and many more smartphones !
While surfing more about this famous chic phone , i digged more about it and got to know about secret iPhone codes !
Here are the ultimate list of codes , probly you never know :

• *#61# and tap Call. Check the number for unanswered calls.
• *#62# and tap Call. Check the number for call forwarding if no service is available.
• *#67# and tap Call. Check the number for call forwarding when the iPhone is busy.
• *#21# and tap Call. Setting interrogation for call forwards.
• *#30# and tap Call. Calling line presentation check.
• *#33# and tap Call. Check for call control bars.
• *3001#12345#* and tap Call. Enter Field Mode.
• *777# and tap Call. Account balance for prepaid iPhone.
• *225# and tap Call. Bill Balance. (Postpaid only)
• *646# and tap Call. Check minutes. (Postpaid only)
• *#76# and tap Call. Check whether the connected line presentation is enabled or not.
• *#43# and tap Call. Determine if call waiting is enabled.

Lemme know if more codes are developed :P