Since the 1990s, anyone you call sees your number before they answer, but it is possible to opt out of this if you'd rather retain your privacy.

Vault-Hide This is a massive vault app for Android that lets you hide a variety of content on your phone, including text messages, of course. You can even hide your sensitive apps from prying eyes ...

But on the hardware level, the basic steps vary depending on your device. How to hide your number on iOS To block your phone number on your iPhone, you'll want to follow these steps.

If you don’t want someone to see a text message on your iPhone you may be wondering if there a way you can lock or hide text messages? Perhaps you are organising a surprise party, planning a ...

Want to keep your identity private? Here's how to text anonymously using your phone, the internet or third-party apps.

Wish you could hide caller ID when ringing friends? It's simple to prevent companies and individuals knowing your phone number when you call them ...

Signal's Adding Support for Usernames, Removing Phone Number Requirement The secure texting app will let you start conversations without having to give out additional info.

Friends often misuse your phone, and read your text messages, even before you can read. Here's a trick to hide all your secret text messages from your friends on your Android phone. Try it out now!

Many smartphones have the option to hide your number when making a phone call built in, making it easier to keep your number private.

Afterward, tap the Hide Number button. Lifewire says you may hide your phone number when calling by adding “*67” before entering the number you’d like to contact.