The fastest way to block a number on iPhone
Open the Phone app, go to Recents, find the number you want to block, tap the circle with an "i" next to it, scroll down, and tap "Block this Caller." That's it — the number is blocked when ready. You can also block from Messages the same way: find the conversation, tap the contact name at the top, scroll down, and tap "Block this Caller."
If you don't want to dig through your recent calls, you can block a number directly from your Contacts app. Open Contacts, find the person, tap "Edit," scroll to the bottom, and select "Block this Caller." The block takes effect right away, and the person won't know they're blocked — calls and texts straightforward won't reach you.
Once you block someone, their calls go straight to voicemail (though they won't see a voicemail option), and their text messages disappear into a separate folder you can ignore. You can unblock the number anytime by going back to that contact and tapping "Unblock this Caller."
Key Takeaways
- You can block a number in three places: the Phone app's Recents tab, a text message conversation, or your Contacts app — all take about 10 seconds.
- Blocked callers won't hear a message saying they're blocked; their calls go to voicemail and texts vanish from your inbox.
- You can see all your blocked numbers in Settings under Phone, Messages, or FaceTime, depending on where you blocked them.
- Blocking a number on one app (like Messages) does not automatically block it on another (like Phone), so block in each app where you want to stop contact.
Where your blocked numbers live in Settings
If you want to see everyone you've blocked or unblock someone, go to Settings, then Phone, then scroll down and tap "Blocked Contacts." This shows every number you've blocked through the Phone app. The same list appears if you go to Settings > Messages > Blocked Contacts, but that list is separate — blocking someone in Messages doesn't add them to your Phone blocked list.
FaceTime has its own blocked list too. Go to Settings > FaceTime > Blocked Contacts to see who you've blocked from calling you on FaceTime. If you want to block someone from all three (calls, texts, and FaceTime), you need to block them in each app separately, or block them once in Contacts, which blocks them across all three at once.
To unblock someone, open the relevant blocked list, swipe left on their name, and tap "Unblock." They'll be able to reach you again when ready.
Blocking unknown numbers and spam
If you're getting calls from numbers you don't recognize, you have two options beyond blocking individual numbers. The first is to turn on "Silence Unknown Callers" in Settings > Phone. This sends any call from a number not in your Contacts, Recents, or Mail straight to voicemail. You won't see a notification, but the call is logged in your Recents tab if you want to check it later.
The second option is to report the number as spam or junk before blocking it. In the Phone app, tap the circle with an "i" next to the number, tap "Block this Caller," and you'll see an option to "Report as Junk." Doing this sends information about the call to Apple and your carrier, which helps them identify spam patterns. You can also report a text as junk by swiping left on the message and tapping "Report Junk."
Neither of these stops all spam — no system does — but together they reduce what gets through to you. "Silence Unknown Callers" is the most aggressive option and works well if you mostly receive calls from people already in your phone.
What happens when you block someone
When you block a number on iPhone, the person can still call you, but the call goes straight to voicemail without your phone ringing or showing a notification. They don't hear a message saying they're blocked; it just rings once or twice and goes to voicemail. If they leave a message, it appears in your voicemail, but you can delete it without listening.
Text messages from a blocked number don't appear in your main Messages inbox. Instead, they go into a hidden folder. To see messages from blocked contacts, open Messages, tap "Edit" in the top left, scroll down, and look for "Blocked" — if you've blocked anyone, that folder appears there. You can read the messages if you want, but you won't be notified when they arrive.
The blocked person won't know for certain that you've blocked them, but they may suspect it if their calls always go to voicemail and you never respond. There's no notification sent to them, and blocking doesn't delete past conversations — you can still see old messages from that person if you unblock them later.
Blocking contacts you know versus unknown numbers
If you're blocking someone in your Contacts (a friend, family member, or known contact), blocking them in Contacts blocks them everywhere at once — Phone, Messages, and FaceTime. This is the cleanest approach because you only have to do it once.
If you're blocking an unknown number from your Recents or a text thread, you're only blocking them in that one app. A spam caller who texts you and calls you would need to be blocked twice — once in Phone and once in Messages — unless you add them to Contacts first and then block them from there.
For repeated spam or harassment from unknown numbers, it's often easier to block in each app as the calls or texts come in rather than trying to manage them all from one place. If the harassment is severe or threatening, you can also contact your local police department and ask your carrier (AT&T, Verizon, T-Mobile, etc.) about additional tools they offer.
Using Do Not Disturb and Focus modes as an alternative
If you don't want to block someone permanently but need a break from their calls and texts, Do Not Disturb or Focus modes are gentler options. Do Not Disturb silences calls and notifications, but the person can still reach you if they call twice in a row (which bypasses the setting). You can set it to allow calls only from Favorites or Contacts.
Focus modes (available on iPhone 12 and newer) let you create custom rules — for example, a "Work" focus that only allows calls from your boss and silences everyone else, or a "Sleep" focus that blocks all notifications after 10 p.m. You can set different rules for different people and turn the focus on and off as needed.
These options don't block anyone permanently, so they're useful if you want to mute someone temporarily without the finality of blocking. The person can still leave voicemails and texts; you just won't be notified until you turn the focus off.
Frequently Asked Questions
Can someone tell if I've blocked them?
Not officially — iPhone doesn't send a notification to someone you've blocked. However, they may figure it out if their calls always go to voicemail and you never respond to texts. There's no way for them to know for certain without asking you directly.
If I block someone, do old messages disappear?
No. Old conversations stay in your Messages app. Blocking only stops new messages from reaching your inbox; past messages remain visible unless you delete the conversation. If you unblock the person later, you'll see the full history again.
Can I block a number without adding it to my Contacts?
Yes. You can block directly from your Recents list in the Phone app or from a text message thread without ever saving the number to Contacts. Tap the "i" icon next to the number and select "Block this Caller."
What's the difference between blocking and silencing?
Blocking stops calls and texts from reaching you at all (they go to voicemail and a hidden folder). Silencing with Do Not Disturb or Focus modes still lets the calls and texts come through, but you don't get a notification. Silencing is temporary and reversible; blocking is more permanent.
If I block someone in Messages, are they blocked in Phone too?
No. Blocking in Messages only blocks them in the Messages app. If you want to block them from calling you on Phone, you need to block them there separately — unless you block them from your Contacts, which blocks them everywhere at once.