You can't change your phone number in the Signal app directly, but you can deregister your old number and then update the app ...

Although there's a pretty good chance you already have a phone number on your smartphone, your primary number assigned by your carrier isn't your only option for calling and texting. There are ...

Offering usernames will allow people to stop giving out their phone number —a sensitive piece of information— in order to connect with others on the messaging app. Encrypted messaging service Signal ...

WhatsApp will introduce a new feature that lets users communicate using unique usernames instead of relying solely on phone ...

Free to iPhone owners via Apple's App Store and Android users at the Google Play Store, a new program called Neon - Money Talks will pay you for certain phone conversations that you share with the ...

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