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Using your phone keypad, you can type in different codes to get a variety of information about your iPhone. Go to Phone >Keypad, enter the code, and tap Call to access it. Here is a list of codes and what type of information they are for:

• *225# – Get your bill balance
• *777# – Get account balance for prepaid iPhones on the GoPhone plan
• *646# – See your remaining minutes
• *3282# – See your data usage
• *729 – Make a payment
• 611 – Connect to customer service

iPhone Call Settings

• *#21# – Call forward
• *#30# – Incoming caller ID
• *#31# – Outgoing caller ID
• *#43# – Call waiting
• *#61# – Shows number for voice call forwarding when a call is unanswered as well as other options
• *#67# – Checks number for call forwarding when the iPhone is busy
• *#33# – Checks whether barring is enabled or disabled for voice, data, fax, and more
• To find more codes, do a Web search on “GSM codes.”