The most reliable and comprehensive location for all blocked numbers and contacts is within the app. This method works on all modern iPhones (iOS 12 through iOS 17+).
Alternatively, go to → select the contact → scroll to bottom → look for "Unblock this Caller." find blocked numbers iphone
Swipe left on the number and tap Unblock , or tap Edit in the top right corner and use the red minus icon next to the entry. The most reliable and comprehensive location for all