What blocking does on an iPhone

When you block someone on an iPhone, you stop them from calling, texting, or FaceTiming you. They can still see your contact information and send you messages — the messages just won't reach you, and they won't know they've been blocked. Calls from a blocked person go straight to voicemail, and they'll see a busy signal or no answer. You won't see any notification that they tried to contact you.

Blocking is different from muting notifications. If you mute someone, their calls and texts still come through, but your phone won't alert you. If you block someone, nothing from them arrives at all. You can block people in the Phone app, Messages app, or FaceTime app — each one is separate, so blocking someone in Messages doesn't automatically block them in FaceTime.

Key Takeaways

  • Blocking someone stops their calls, texts, and FaceTime requests from reaching you, but they won't receive a notification that they're blocked.
  • You must block someone separately in each app — blocking them in Messages does not block them in Phone or FaceTime.
  • The person you block can still see your contact details and send messages, but those messages won't arrive on your device.
  • You can unblock someone at any time through the same app where you blocked them.

How to block someone in the Phone app

Open the Phone app and find the person's name or number in your recent calls list. Tap the information icon (a circle with an "i" inside) next to their name. Scroll down and tap "Block this Caller," then confirm by tapping "Block Contact." That person can no longer call you or leave voicemails that you'll see.

If the person isn't in your recent calls, open Contacts, find their name, tap the information icon, scroll down, and tap "Block this Caller." You can also block an unknown number by going to Settings > Phone > Blocked Contacts and tapping "Add New" at the top.

How to block someone in Messages

Open the Messages app and find the conversation with the person you want to block. Swipe left on their name (or tap and hold on it), then tap "Block." A menu will appear asking you to confirm — tap "Block Contact" or "Block this Caller" depending on whether they're in your contacts. Messages from this person will no longer appear in your inbox.

If you want to block someone before they've messaged you, open Contacts, find their name, tap the information icon, scroll down, and tap "Block this Caller." You can also block an unknown number by opening a message from them, tapping the information icon at the top right, scrolling down, and tapping "Block this Caller."

How to block someone in FaceTime

Open the FaceTime app and find the person in your recent calls or contacts. Tap the information icon next to their name, scroll down, and tap "Block this Caller." They can no longer send you FaceTime requests. If you want to block someone who isn't in your recent calls, open Contacts, find their name, tap the information icon, and tap "Block this Caller."

FaceTime blocking is separate from Phone and Messages blocking. Someone can be blocked in FaceTime but still able to call or text you through other apps, so block them in each app where you want to stop contact.

How to unblock someone

To unblock someone in the Phone app, go to Settings > Phone > Blocked Contacts. Find the person's name and swipe left, then tap "Unblock." To unblock in Messages, open the conversation, tap the information icon at the top right, scroll down, and tap "Unblock this Caller." To unblock in FaceTime, open the app, find the person in your recent calls or contacts, tap the information icon, and tap "Unblock this Caller."

You can also unblock someone through Contacts. Open Contacts, find their name, tap the information icon, scroll down, and tap "Unblock this Caller." Remember that unblocking in one app doesn't unblock them in the others — you'll need to unblock them separately in each place you blocked them.

What the blocked person experiences

When someone calls you after being blocked, they'll hear a busy signal or the call will ring once and then disconnect. They won't receive a message saying they're blocked. If they try to send you a text, the message will appear to send on their end, but it won't arrive on your iPhone. They can still see your contact information in their phone and can still try to reach you — they just won't know whether their attempts are going through.

Some people realize they're blocked when their calls consistently go unanswered or when messages don't get responses. Others never know. There's no way for them to receive official notification from Apple that they've been blocked.

Blocking vs. other ways to limit contact

If you don't want to block someone completely, you have other options. You can mute notifications from them in Messages by opening the conversation, tapping the information icon, and toggling off "Notify Me." Their messages will still arrive, but you won't get alerts. You can also use Do Not Disturb to silence all notifications during certain hours, or you can create a contact group and set a custom ringtone or notification sound so you know when they call.

Another option is to mark messages as spam or junk. In Messages, swipe left on a conversation and tap "Report Junk," which tells Apple the sender is spam but doesn't block them from contacting you. If someone is harassing you, blocking is the stronger choice because nothing from them reaches your device at all.

Frequently Asked Questions

Can someone tell if I've blocked them?

No official notification goes to them, but they may suspect it if their calls consistently go unanswered or their messages never get responses. They could also try calling from a different number to see if that goes through. There's no way for them to confirm through Apple that they're blocked.

If I block someone in Messages, are they also blocked in Phone?

No. Blocking in Messages only stops text messages. They can still call you and reach you through FaceTime unless you block them separately in those apps. You must block someone in each app where you want to stop contact.

What happens to old messages from someone I block?

Old messages stay in your conversation thread. Blocking only stops new messages from reaching you — it doesn't delete past conversations. You can still read what they sent before you blocked them, and you can delete the conversation if you want.

Can I block someone temporarily and then unblock them later?

Yes. You can unblock someone at any time through Settings or through the app where you blocked them. There's no time limit on how long someone stays blocked, and you can block and unblock the same person as many times as you need to.

What if someone keeps contacting me from different numbers?

You can block multiple numbers one at a time through the Phone app or by blocking them when they call. If the harassment continues, you can report it to your carrier or contact local law enforcement. Some carriers offer additional tools to filter unknown callers automatically.