iPhone Hidden Secret Codes 2015 [Working List]

As we know that every smartphone have some Hidden Secret Codes that restricted you to use internal settings in the smartphones. By using these hidden codes you can change some internal settings which developers hide at user level. These codes are only use for troubleshooting purposes as developers point of view. These are the combination of special characters and numeric keywords which are start with * and end with #. 
As different gadgets have different Hidden Codes like we have also listed Android Hidden Secret Codes. But here we have listed iPhone Hidden Secret Codes and their functioning. By using Hidden Codes For iPhone you can experience some additional functioning and can change internal settings also. These Hidden Secret Codes lets you know about some hidden menus, diagnostics and you can also check much more by using these Hidden Secret Codes For iPhone.

List of Best Hidden iPhone Secret Codes

Codes	Functioning
*#06#	It will displays your iPhone IMEI. It is a identifier for your mobile phone hardware.
*3001#12345#*	This code opens you field mode which contains all of iPhone inner settings, cell information and newest network.
*#67#	You can check the number in order to call forwarding when the iPhone is busy. And again, but for when the iPhone is busy.
*646# (Postpaid only)	It will display you available minutes.
*225# ( Postpaid only)	To check the Bill Balance
*777#	To check the Account balance use this code for prepaid iPhone only.
*#33#	You can check call control bars by using this code. Also for see whether barring is enabled or disabled for outgoing you can check all the usual suspects like  fax, SMS, voice, information, etc.
*#76#	For checking connected line presentation is enabled or not you can use this code. like to the calling line presentation you can also check whether the connected line presentation is enabled or disabled.
*#21#	You can set inquiry for call forwards. Find the settings for your call forwarding. You will see whether you have fax, SMS, voice, knowledge, sync, async,  paid access &   packet access  call forwarding enabled or disabled.
*3282#	It will let you know about the use of information info.
*#61#	To check number of missed calls.
*#62#	You can verifies the number for forwarding calls If there is no service is available. .
*3370#	EFR mode Enhanced Full Rate improves your iPhone voice quality, but it will slightly reduced battery life.
*#5005*7672#	To check  SMS center.
*331*	Barring code # Outgoing calls abroad to block the lock code to inquire about her please contact your network operator.
*#43#	Call Waiting Status.
*43#	Activate a waiting.
#43#	Deactivate waiting.
*#31#	It allow you hide your number.

I hope you find all these codes working and helpful for you. If any of the important code is missing please leave in comments we will update it soon.