To avoid spam calls and text messages, iPhone allows you to block unknown phone numbers. Perhaps, you want to review or unblock someone, here is how to view the blocked contacts list:
View blocked numbers via the Settings app
- Open the Settings app, then tap Phone.
- Scroll down, then tap Blocked Contacts. You will see your blocked number list.
Note: Quickly remove blocked numbers by tapping Edit and tapping the red minus icon next to the number.
