Unstructured Supplementary Service Data codes revealed!

Rafagon

Genius
Gold
Dec 7, 2011
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Miami, Florida
#1
Have you ever wanted to see your data strength signal dots as a numerical value instead of… well, dots? Of course you have!

This and other amazing tricks are possible using Unstructured Supplementary Service Data (USSD) codes. Simply whip out your iPhone at a party, type in these codes, and within minutes, you will become very popular with the ladies.

Redmond Pie has revealed the codes, but they warn that "sometimes, messing around with these things can cause some serious problems down the line.”

These codes are entered on the Keypad pane of the Phone app.

Without further ado, I present the list from the Redmond Pie article in its entirety:

*3001#12345#* – Activate Field Mode, which contains all of your iPhone’s more technical settings. It also converts the signal bars into an actual number.

*#5005*7672# – Check SMS center

*646# (Postpaid only) – Display your available minutes

*225# (Postpaid only) – Check your current bill’s balance

*#31# – Choose whether to hide your number

*3370# – Enable or disable EFR (Enhanced Full Rate), which improves your iPhone’s voice quality, but will quite likely reduce battery life

*#21# – Check call forwarding status

*777# (Prepaid only) – To check the account balance

*#62# – Check which number calls will be forwarded to if no service is available

*#76# – Check connecting line presentation

*#67# – Check the number to be used for call forwarding

*#33# – Check whether anything is barred, such as international calling etc.

*#61# – Check number of missed calls

*#06# – Displays your iPhone’s IMEI number

*#43# – Check call waiting status

*43# – Activate waiting

#43# – Deactivate call waiting