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

Nowadays, people can be so disruptive and have no limitation in the way they call others. For this reason, you can block such phone numbers if you are unnecessarily disturbed or receive unwanted calls ...

Answering phone calls is still a thing. You may not receive many of them, and the ones you get tend to be from bill collectors or telemarketers. But some people would rather place a call than type a ...