Protect your privacy and hide your phone number. Learn how to call with No Caller ID on iPhone and Android using our 2026 guide to regional dial codes.
What Is No Caller ID? How to Hide Your Number
What Is No Caller ID? How to Hide Your Number
What Is No Caller ID?
No Caller ID is a privacy feature that hides your phone number from the person you are calling, displaying “Unknown”, “Private”, or “No Caller ID” on their screen instead. To call with no caller ID, you can either change your mobile settings or use a dial prefix like *31# before entering the phone number. In this guide, you will learn how to hide your number on iPhone and Android, discover regional codes for Australia, the UK, and North America, and find out whether it is possible to call back a hidden number. People use this feature for many reasons, from protecting personal privacy to making business calls from a personal mobile. Rest assured, managing your privacy is completely normal and taking control of your outgoing calls is easy to do.
Summary: You can easily protect your privacy by hiding your phone number when making calls. Whether you want to change your device settings for all outgoing calls or use a quick prefix code for a single call, managing your caller ID puts you in control.
TLDR
- You can hide your number on any smartphone by adjusting your call settings.
- You can use quick dial codes like *31# in Australia or *67 in North America to block your caller ID for a single call.
- You generally cannot call back a No Caller ID number due to privacy laws, though some third-party apps claim to unmask them.
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How To Call With No Caller ID On iPhone
To call someone with no caller ID on iPhone, you can use the built-in iOS settings. This is a simple process that updates your preferences immediately.
- Open Settings.
- Tap ‘Phone’.
- Select ‘Show My Caller ID’.
- Toggle the switch off.
This setting hides your number for all outgoing calls until you turn it back on.
How To Call With No Caller ID On Android And Samsung
To call no caller ID on Android (including how to call no caller ID on Samsung), you need to adjust your phone app settings. The steps are very straightforward and only take a few seconds.
Open the Phone app.
Tap the three dots (menu) and select ‘Settings’.
Tap ‘Supplementary services’ or ‘More settings’ (depending on the device).
Tap ‘Show your caller ID’ and select ‘Never’ or ‘Hide number’.
đź’ˇ Tip: You can always test your settings by calling a friend first to ensure your number is successfully hidden before making important calls.
What Number To Dial For No Caller ID By Country
If you only want to hide your number for a single call, you can type a specific prefix code before the phone number. This is a great shortcut for occasional use without changing your overall device settings.
Australia
In Australia, you dial *31# – followed by the phone number.
UK And Ireland
If you are wondering how to call no caller id UK or how to call no caller id Ireland, the standard prefix is 141 – typed before the number.
USA And Canada
For those asking how to call no caller id Canada or the USA, *67 – is the standard prefix for North America.
How To Call Back A No Caller ID Number
When considering how to call no caller id back or how to call no caller id back on iPhone, you should know that in 2026, it is generally not possible to directly call back a hidden number using standard smartphone features due to strict telecom privacy regulations.
If you are wondering how to call no caller id if blocked, the reality is that if someone has blocked their ID, your telecom provider respects that block. While some third-party unmasking apps exist, we advise caution. These apps often carry privacy and security risks, so it is always best to watch out for digital scams when dealing with unknown callers.
Frequently Asked Questions (FAQ)
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Does *67 Still Work In Australia?
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No, *67 does not work in Australia. The correct code to hide your caller ID on an Australian mobile network is *31#.
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What Is The *31 *# Code For?
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The *31# code is used to block your caller ID for a single outgoing call on GSM networks, including those in Australia.
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How To Turn Off No Caller ID On iPhone?
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To turn off No Caller ID on an iPhone, go to Settings, tap Phone, select Show My Caller ID, and toggle the switch to the green ‘on’ position. If you notice strange behaviour in your settings, it is wise to check the signs your phone is hacked to ensure your device remains secure.
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Written by
Ruby Walker
