To find your phone number on iPhone, you can check the Settings or Phone app. You can also find it on a computer using iTunes ...

There are two types of phones—those locked to a carrier and those free to use whatever carrier they want. There will come a time when you need to know which one your phone is. Thankfully, you'll have ...

You can block or unblock a number on an Android phone using the built-in Phone app's "Blocked numbers" menu.