Being Tricky
The short answer
To block a number on iPhone, open the Phone app, tap Recents, tap the number (or the Info button in the Classic layout), scroll down and tap Block…
At a glance
About 15 minutes · Medium · For iPhone
Key point 1 of 5
To block someone saved in your contacts, Apple's iPhone guide also shows this route: in the Phone app, tap Contacts, tap the person, then tap Block…
Key point 2 of 5
Messages: open the conversation and tap the contact or icon at the top.
Key point 3 of 5
Blocking only stops that exact number.
Key point 4 of 5
Blocking one scam number won't stop the next.
Key point 5 of 5
The same scammer calls from new numbers: that's normal.
You might ask
Does a blocked number know they are blocked on iPhone? No. Apple says the sender isn't notified that they've been blocked.
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Being Tricky