There are several steps you can take to block a number on a landline phone and reduce the amount of spam calls you receive.
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 ...
Nobody likes receiving calls from No Caller ID numbers, as they're usually scams. But there might be cases where you'll want your iPhone or Android to hide your phone number to protect your privacy.
There are tons of reasons why you'd want to block a phone number. Maybe you got a spam call and want to make sure that you don't get another call from that same number. Or maybe you don't want to hear ...