How To Block or Unblock That Robocall or A Spamcall On Your iPhone, iPad or even iPOD,
There will always be needs to Block phone numbers and contacts on your iPhone, iPad, or iPod touch as the world is pouring robocalls, spamcalls using number spoofing and other nefarious methods.
It is not that difficult to block a number or a caller on the iPhone;
iPhone
Just bring up the Phone app and under the Recents, tap 
next to the phone number or contact that you want to block. Scroll to the bottom of your screen, then tap Block this Caller. once the confirmation dialog comes up, select block Contact. You are done.
Blocking a person on Facetime is the same.
On Messages;
If you're in Messages, open the conversation, tap the contact at the top of the conversation, then tap
. Tap the name or phone number, scroll to the bottom of the Info screen, then tap Block this Caller.
Once you block a number or a contact, those people are still able leave you a voicemail, even though you will not receive a notification. The same with the messages, they won't be delivered or received, as well as the contact won't get a notification that the call or message was blocked.
On all of these screens, you can add or unblock contacts or unblock phone numbers.
Add new numbers to the blocked lists.
To add a contact from Phone, go to Settings > Phone > Call Blocking & Identification > Block Contact. Then tap the contact that you want to block.
To add a contact from Messages or FaceTime, go to Settings > Messages or Settings > FaceTime, scroll down and tap Blocked, tap Add New, then select the contact that you want to block.
To unblock a contact or phone number, swipe left over the number, then tap Unblock.
next to the phone number or contact that you want to block. Scroll to the bottom of your screen, then tap Block this Caller. once the confirmation dialog comes up, select block Contact. You are done.Blocking a person on Facetime is the same.
On Messages;
If you're in Messages, open the conversation, tap the contact at the top of the conversation, then tap
. Tap the name or phone number, scroll to the bottom of the Info screen, then tap Block this Caller.Once you block a number or a contact, those people are still able leave you a voicemail, even though you will not receive a notification. The same with the messages, they won't be delivered or received, as well as the contact won't get a notification that the call or message was blocked.
Unblock your blocked phone numbers and contacts or add new numbers.
If you mistakenly blocked a normal number or a contact in any of the apps above, you can unblock them as well.
To see the phone numbers and contacts that you've blocked from Phone, FaceTime, or Messages:
To see the phone numbers and contacts that you've blocked from Phone, FaceTime, or Messages:
Phone
Go to Settings > Phone > Call Blocking & Identification.
FaceTime
Go to Settings > FaceTime > Blocked.
Messages
Go to Settings > Messages > Blocked.
On all of these screens, you can add or unblock contacts or unblock phone numbers.
Add new numbers to the blocked lists.
To add a contact from Phone, go to Settings > Phone > Call Blocking & Identification > Block Contact. Then tap the contact that you want to block.
To add a contact from Messages or FaceTime, go to Settings > Messages or Settings > FaceTime, scroll down and tap Blocked, tap Add New, then select the contact that you want to block.
To unblock a contact or phone number, swipe left over the number, then tap Unblock.
