*#43# - Used to verify if call waiting is enabled or not
*#61# - Verify the number for unanswered calls
*3282# - Get your data usage information
*729# - Options to make payments. Its operator
specific
*#62# - Verify the number for call forwarding if no service is available
*#67# - Verify the number for call forwarding if phone is busy
*#33# - To verify whether barring is enabled or disabled for outgoing
*#21# - To display the settings for your call.forwarding
*3001#12345#* - Enters Field mode which allows you to access most of the hidden settings and functions of your iPhone
*#30# - This shows whether you have enabled or disabled the presentation of the calling line, presumably the number of the party placing the call
*#76# - State whether the connected line presentation is enabled or disabled. Similar to the calling line presentation
*#06# - Display the IMEI of your iPhone, as always this is the standard code for all brands of phones
*225# - Displays the account balance for postpaid contracts
*777# - Displays the account balance for prepaid accounts
*646# - Displays the remaining minutes available
*#61# - Verify the number for unanswered calls
*3282# - Get your data usage information
*729# - Options to make payments. Its operator
specific
*#62# - Verify the number for call forwarding if no service is available
*#67# - Verify the number for call forwarding if phone is busy
*#33# - To verify whether barring is enabled or disabled for outgoing
*#21# - To display the settings for your call.forwarding
*3001#12345#* - Enters Field mode which allows you to access most of the hidden settings and functions of your iPhone
*#30# - This shows whether you have enabled or disabled the presentation of the calling line, presumably the number of the party placing the call
*#76# - State whether the connected line presentation is enabled or disabled. Similar to the calling line presentation
*#06# - Display the IMEI of your iPhone, as always this is the standard code for all brands of phones
*225# - Displays the account balance for postpaid contracts
*777# - Displays the account balance for prepaid accounts
*646# - Displays the remaining minutes available
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