Here are iPhone Secret Codes: 15+ Useful iPhone Dialer Codes You Should Know


You know what the dialer screen on your iPhones is not only to enter a number to make a call. It offers more than that. If you want to know some of the iPhone Secret Codes then you are at the right place. There are certain secret codes for the iPhone users that can help them in finding out information about their device, troubleshoot issues, and mask outgoing calls etc. These hidden dialer codes are called shortcodes. There are different type of codes such as the star codes, pound codes, etc. These iPhone Dial codes are actually a combination of different technologies and protocols, such as Unstructured Supplementary Service Data (USSD Codes), manufacturer-defined MMI (man-machine interface), and supplementary service (SS) codes. I am going to jot down a list of few secret iPhone codes down below. Are you curious to know about them?? If yes!! Then just have a look at the below shared Cool Codes for your devices.

15 Cool iPhone Secret Codes To Know About

Let’s have a look at the iPhone Codes List shared below.


The XXXXXXXXXX in any of the codes below indicates the seven-digit phone number with area code, for a total of 10 digits, that you’re calling. It is possible that when you enter the last digit or symbol, it may immediately work. However, if not, you will need to hit the green “Call” button.

Field Test Mode



This is one of the secret iPhone codes that trigger the Field Test Mode. It brings you a lot of technical details around your network especially the network’s signal strength. When you will enter the code in your iPhone’s dialer and will hit the call button, it will take you to the Field Test page, where you can find various networks details. Follow the steps written below while using this code:

  • Press hold on the Power or Lock button unless you get the “Slide to turn off” option.
  • Then Press hold the home button once you are on the power off screen.
  •  In the end, you will see the bars replaced with the network strength in decibels.
  • If the number is above -80 (-70,-60..), then signal strength is close to full and if it’s below -110 (-120,130..), the network has a pretty weak signal.
  • Open Field Test page again with the secret code to disable the decibels and get back the usual network bars on your iPhone.

iPhone Field Test Mode

iPhone secret codes signal in decibels

Hide Caller ID


*31#mobile number

You can use this code if you have a carrier unlocked iPhone or a carrier that supports hiding your caller ID. What you need to do is mentioned below:

  • Use the code that works in your country.
  • Add the mobile number you want to call anonymously
  • Press dial.

iPhone Secret Codes hide caller ID

Follow the steps below to use this code:

  • Enter the code in the iPhone’s dialer.
  • Press “call”.

Check the SMS center number using this code if you have been facing a few issues regarding SMS. The fact is that every text message that you send from your phone first goes to a server or SM S center number, which then sends it to the number you send it to. So, this iPhone code can help you know about that.iPhone Secret Codes check SMS center

Call Waiting


*#43# (Check Status), *43# (Enable Call Waiting), #43# (Disable Call Waiting)

This iPhone secret code simply lets you check the status of Call Waiting and enable or disable it with ease. If you just can’t find the Call Waiting options in your iPhone then this code will certainly help you out.

iPhone Secret Codes Check Call Waiting

Call Barring


*#33# (Check status), *33*pin# (Enable Call Barring), #33*pin# (Call Barring)

The Call Barring Feature lets you block all incoming or outgoing calls on your iPhone. If you want to check its status or enable/disable it on your iPhone, then you can use this code. The “pin” here is actually the SIM Pin, which is the lock on your SIM card. You can enable it by following steps written below:

  • Head to iPhone Settings
  • Tap Phone
  • Click SIM PIN

iPhone Secret Codes Check Call Barring

Call Forwarding


*#21# (Check Status), *21# (Enable or Disable Call Forwarding), *21mobilenumber# (Divert Calls to this Number)

We all know that the Call Forwarding is a feature that lets you divert incoming calls to other number or even a voicemail. So, if you are busy and don’t want to get disturbed you can use these secret codes to enable it and divert calls to another number.

iPhone Secret Codes Check Call Forwarding

Calling Line Presentation



This code can check if Call Line Presentation is enabled or disabled. If the recipient of your calls isn’t able to view your mobile number, there might be a problem with your number’s Calling Line Presentation. So, use this code to check its status.

iPhone Secret Codes Check Calling Line Presentation




This secret code can let you know about IMEI.

Give Yourself a Unique Name to Call

StarStar Me is an add-on service that needs to be paid monthly for with your carrier. If you want to give it a try, then dial **me, or **63, from your iPhone to subscribe to the service. It will allow you to pick a nickname that people can call instead of an actual phone number. For example, if your nickname is The STORM, then you can set your personal handle as **THESTORM (**8433833). All the other people could call you using that number instead of trying to remember your 10 digits.

EFR Mode



This allows you to check the EFR Mode.

Barring Code



This allows you to inquire about the lock code for abroad outgoing calls.

Account Balance Code



This allows you to check the account balance (Prepaid Users).

Waiting Service



This allows you to Activate/Deactivate call waiting service.

Missed Calls Code



This allows you to check number of missed calls.

So, these are some of the iPhone Secret codes that you can try on your iPhones. Try them out on your latest iPhones as well as older versions including iPhone 7, iPhone 6 and let us know if they really work.  In addition to that, we have also come to know that Apple is prepping to release the iPhone XS and iPhone XS Max in Red color.

Source: Beebom



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Daily InfoTainment: Here are iPhone Secret Codes: 15+ Useful iPhone Dialer Codes You Should Know
Here are iPhone Secret Codes: 15+ Useful iPhone Dialer Codes You Should Know
Daily InfoTainment
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