But while this works well in the majority of cases, I found that some companies would get around their number being blocked by calling from another one instead.
This could lead to their number being blocked or their service being suspended.
But, say security firms, the apps can relay huge numbers of texts via a phone and lead to its number being blocked.
In fact, AT&T says, some of the numbers being blocked include an ambulance service, church, Benedictine nuns, doctors, and more.
And while no tyres were slashed, no numbers were blocked, and I didn't sever Neil Patrick Harris's neck with a box cutter, my relationship unravelled in toxic and abusive ways.
In many countries, you can enter a code before you dial a number and your phone number will be blocked from appearing on the recipient's caller ID.
It will take approximately 15 minutes for the number to be blocked.
Contact your phone company and ask that the other person's number(s) be blocked.
With some companies, it can be done by entering a code and then typing the number to be blocked.
Up to 15 e-mail addresses and Internet domains, plus five phone numbers, can be blocked from sending text, picture or video messages.
