If you don’t want to be disturbed while you’re trying to focus on work or school, there are a few ways to block calls and texts on your iPhone. Blocking calls and texts will prevent people from bothering you, but it may also prevent you from getting important messages. To block a call or text, open the Phone app and tap the contact’s name. If the contact is in your contacts list, they’ll show up with a red dot next to their name. If the contact is not in your contacts list, tap Add Contact and then enter their phone number. Tap Block Contact if you want to permanently block this person from contacting you. To unblock a call or text, open the Phone app and tap the contact’s name. If the contact is in your contacts list, they’ll show up with a green dot next to their name. If the contact is not in your contacts list, tap Add Contact and then enter their phone number. Tap Unblock Contact if you want to temporarily unblock this person from contacting you. ..