You can block a number on your phone so that a person or company can't call or text you from a particular number. Here's how ...
If you don't want people to know you're calling, you can hide caller ID by blocking your own number on both landlines and ...
Caller ID used to be a very simple thing in the "landline phones and copper wires" days. If somebody called you, their number showed up on the display, and if it didn't, then the caller had ...