The fastest way to block a number on iPhone

Open the Phone app, find the number you want to block in your recent calls or voicemail, and tap the information icon (the small circle with an "i" inside). Scroll down and tap "Block this Caller". That's it — the number is blocked immediately.

If you don't have a recent call from that number, you can also go to Settings > Phone > Blocked Contacts and tap "Add New" to type in the number manually. Either way, once blocked, that number cannot call or text you, and their calls go straight to voicemail without your phone ringing.

The block stays in place until you remove it. You can see your full list of blocked numbers anytime in Settings > Phone > Blocked Contacts, and unblock anyone by swiping left on their name and tapping "Unblock".

Key Takeaways

  • Blocked callers cannot reach you by phone or text, and their calls go directly to voicemail without ringing your phone.
  • You can block a number from a recent call in the Phone app, or add a number manually through Settings > Phone > Blocked Contacts.
  • Blocked numbers are stored in your Blocked Contacts list, which you can view and edit anytime in Settings.
  • Blocking is one-way — the blocked person doesn't know they're blocked, and they won't receive a notification.
  • You can unblock a number at any time by finding it in your Blocked Contacts list and swiping left to unblock.

Blocking from a text message or FaceTime call

If the unwanted contact reached you by text or FaceTime instead of a regular call, you can block them from that conversation. Open Messages or FaceTime, find the conversation, and tap "Details" in the top right corner. Scroll down and tap "Block this Caller" or "Block Contact".

Blocking from a text or FaceTime conversation blocks the person across all three services — calls, texts, and FaceTime — so you only need to do it once. The effect is the same as blocking from the Phone app.

What happens when you block someone

When you block a number, that person's calls go straight to voicemail, and they won't hear a "this number is blocked" message. Their text messages don't reach you at all — they'll see the message was sent, but it won't deliver. FaceTime calls from a blocked contact will fail to connect.

The blocked person has no way to know they're blocked from your phone. They might suspect it if their calls always go to voicemail and texts never get responses, but iPhone doesn't send them a notification or message saying they've been blocked.

If you block someone and then later unblock them, they won't be notified of that either. Unblocking is silent on both ends.

Blocking unknown or private numbers

If you're getting calls from numbers that show as "Unknown" or "Private", you can't block them individually because there's no specific number to block. Instead, go to Settings > Phone > Silence Unknown Callers and turn it on.

When Silence Unknown Callers is on, any call from a number not in your contacts goes straight to voicemail without ringing. Your phone stays silent, and you can check voicemail later to see if it was important. This is useful for blocking spam and robocalls that use random or hidden numbers.

The downside is that legitimate calls from people not in your contacts — a doctor's office, a delivery driver, a new contact — will also go to voicemail. You'll still see a missed call notification, but your phone won't ring.

Using Do Not Disturb to manage calls without blocking

If you want to silence calls from certain people without fully blocking them, Do Not Disturb is an alternative. You can set up a custom Do Not Disturb schedule that allows calls only from people in your Favorites list, while sending everyone else to voicemail.

Go to Settings > Focus > Do Not Disturb, tap "Customize", and choose "Calls" to set who can reach you. This is gentler than blocking because the person can still leave a voicemail, and you're not permanently cutting off contact — you can turn off Do Not Disturb anytime.

Do Not Disturb is useful if you want to avoid calls during work hours or at night, but still want to hear from family or close contacts. Blocking is better if you want to stop contact from a specific person entirely.

Blocking contacts you already know

If the number is already saved as a contact in your phone, you can block it directly from the Contacts app. Open Contacts, find the person, tap "Edit", scroll down, and tap "Block this Contact". This removes them from your contacts and adds them to your blocked list at the same time.

You can also block a contact by opening their contact card, tapping the information icon, and scrolling down to "Block this Caller". Both methods do the same thing.

Recovering a blocked number if you change your mind

Your blocked contacts list is stored on your phone, so you can see exactly who you've blocked and unblock them whenever you want. Go to Settings > Phone > Blocked Contacts to see the full list.

To unblock someone, find their name or number in the list, swipe left on it, and tap "Unblock". They'll be removed from your blocked list immediately, and they can call or text you again. If they were saved as a contact before you blocked them, they'll still be in your Contacts app after you unblock them.

Frequently Asked Questions

Can a blocked person see that they're blocked?

No. When you block someone on iPhone, they won't receive any notification. Their calls go to voicemail and texts don't deliver, but they won't see a message saying they're blocked. They might figure it out if calls always go to voicemail, but iPhone doesn't tell them directly.

If I block someone, can they still see my location or my iMessage status?

Blocking prevents calls, texts, and FaceTime, but it doesn't hide your location or iMessage status from someone who already has access to that information through Find My Friends or iCloud. If you want to stop sharing your location with someone, you need to turn off location sharing separately in Settings > Privacy > Location Services.

What's the difference between blocking and muting a conversation?

Muting a conversation silences notifications from that person, but they can still reach you — you just won't hear the alert. Blocking stops them from reaching you at all. Muting is useful for group chats or people you want to hear from less often. Blocking is for people you don't want to hear from at all.

Can I block a number that called me from a different country?

Yes. You can block any number, whether it's local or international. Go to your recent calls, tap the information icon next to the number, and tap "Block this Caller". The process is the same regardless of where the call came from.

If I block someone and then they call from a different number, will that call be blocked too?

No. Blocking works on a per-number basis. If someone calls you from a different phone number, that call won't be blocked unless you block that specific number too. If you're dealing with someone who keeps calling from different numbers, Silence Unknown Callers might be more effective than blocking individual numbers.