Open the Phone app
Tap Recents, Contacts, or Favorites
Tap the info icon next to the person’s name or number
Scroll down and tap Block this Caller
Tap Block Contact to confirm
Open the Messages app to block from a text thread if needed
Tap the contact name or number at the top of the conversation
Tap Info
Tap Block this Caller
Tap Block Contact to confirm
Open the FaceTime app to block from a FaceTime call if needed
Tap the info icon next to the person’s name or number
Tap Block this Caller
Tap Block Contact to confirm
Open Settings
Tap Phone, Messages, or FaceTime
Tap Blocked Contacts
Tap Add New
Select the contact to block
Open Contacts
Select the person
Scroll down and tap Block this Caller
Tap Block Contact to confirm