Getting repeated calls or texts from a spammer, an ex, or a number you just do not want to hear from can be frustrating fast. If you are using an iPhone 16, blocking a number is one of the quickest ways to take back control of your phone without changing settings all over the place.
This guide shows you exactly how to block a number on iPhone 16 using the built-in Phone, Messages, and FaceTime apps, plus a few useful alternatives if the number keeps finding new ways to reach you. The process is simple, takes less than a minute in most cases, and works the same way for most everyday situations. If you only need the fast answer, jump to the summary. If you want the full walkthrough, follow the steps below.
Summary
Here is the quick version:
- Open the Phone, Messages, or FaceTime app.
- Find the number you want to stop.
- Tap the contact or info button.
- Scroll down and tap Block this Caller.
- Confirm by tapping Block Contact.
Blocked numbers cannot call, text, or FaceTime you normally. You can always unblock them later in Settings.
Tutorial – How to Block a Number on iPhone 16
The main method below blocks a number from calling, texting, and using FaceTime on your iPhone 16. Once you do this, the contact is added to your blocked list, and iOS handles the rest.
Step 1: Open the app where you saw the number
Start by opening Phone, Messages, or FaceTime, depending on where the number contacted you.
After you open the app, you should see your recent calls, message threads, or FaceTime history. This is the easiest place to find the number without searching through your contacts.
Step 2: Find the number or conversation
Tap the recent call, text thread, or FaceTime entry from the number you want to block.
If the number is saved as a contact, you can also find it in your contacts list. If it is an unknown caller, it may appear as just a phone number in your recent activity.
Step 3: Open the contact details
In Phone, tap the small i icon next to the number. In Messages, tap the name or number at the top of the conversation. In FaceTime, tap the i icon or the info option next to the call entry.
After this, you should see the details page for that number. This screen usually shows options like calling, texting, sharing, and more.
Step 4: Scroll down and tap Block this Caller
On the details screen, scroll until you see Block this Caller, then tap it.
This is the key action that adds the number to your blocked contacts list. On iPhone 16, Apple keeps this option in the same general area across Phone, Messages, and FaceTime, so once you know where to look, it becomes very easy.
Step 5: Confirm the block
When the confirmation pop-up appears, tap Block Contact.
Once you confirm, the number is blocked immediately. You should no longer receive normal calls, texts, or FaceTime requests from that number on your iPhone.
Step 6: Check that the number is blocked
If you want to verify it, go to Settings > Apps > Phone, Messages, or FaceTime, then look for the blocked contacts section, or search for Blocked Contacts in Settings.
You should see the number listed there. This is useful if you want to double-check that the block went through or if you plan to remove it later.
Alternative Methods or Edge Cases
If the standard method does not fit your situation, these alternatives can help.
Block a number from the Phone app recent calls list
- Open Phone > Recents, tap the i next to the number, then tap Block this Caller. This is usually the fastest path.
Block someone from the Messages app
- Open the conversation, tap the name or number at the top, then tap Block this Caller. This is best when the unwanted contact is texting you.
Block a saved contact from Contacts
- Open Contacts, pick the person, scroll down, then tap Block this Caller. This works even if the person is already in your address book.
Use Silence Unknown Callers
- If spam calls keep changing numbers, go to Settings > Apps > Phone > Silence Unknown Callers. This does not block every number, but it sends unknown callers straight to voicemail.
Block a number through FaceTime
- Open FaceTime, find the caller in your call list, open their info, then block them. This is useful if the contact keeps using video calls instead of regular calls.
Frequently Asked Questions
Will the person I blocked know I blocked them?
No direct alert is sent. They may suspect something if their calls go to voicemail or their texts are not delivered, but iPhone does not notify them that they were blocked.
Do blocked calls still show up on my iPhone?
Usually, they do not ring your phone, but some blocked calls may still appear in your recent call history or voicemail if the carrier delivers them there.
Can I block a number that is not in my contacts?
Yes. You can block any number from Phone, Messages, or FaceTime, even if it is not saved as a contact.
How do I unblock a number on iPhone 16?
Go to Settings > Apps > Phone, Messages, or FaceTime > Blocked Contacts, then swipe left on the number and tap Unblock.
Does blocking a number also block emails or other apps?
No. Blocking a phone number only affects calls, texts, and FaceTime tied to that number. You need separate steps to block someone in Mail, social apps, or third-party messaging apps.
Can I block private or unknown numbers?
You cannot block a private number in the same exact way as a regular number, but you can use Silence Unknown Callers or your carrier’s spam tools to reduce unwanted calls.
Tips
- Blocked numbers are tied to your iPhone settings, not just one app. If you block a number in Messages, it is still blocked in Phone and FaceTime.
- You can manage blocked contacts later in Settings. This is the best place to review, add, or remove blocked numbers.
- Use Do Not Disturb or Focus if you only want temporary quiet. Blocking is permanent until you remove it, while Focus modes are temporary.
- If spam keeps coming from new numbers, blocking one by one may not be enough. In that case, enable Silence Unknown Callers or use your carrier’s spam protection.
- Blocking a number does not delete old messages or call history. You may still see past conversations unless you remove them manually.
- If a contact has multiple numbers, block each one separately. Blocking one number does not automatically block every phone number or email they use.
Troubleshooting
- If you do not see “Block this Caller,” make sure you tapped the actual number or contact details. The option is usually on the info screen, not the main call list.
- If the number still reaches you, check whether it is calling from a different number. Spammers often rotate phone numbers to avoid blocks.
- If blocked texts still appear in the conversation, you may be looking at older messages. Blocking stops future messages, but it does not remove past threads.
- If the block does not seem to work, restart your iPhone 16. A quick restart can clear minor software glitches.
- If you accidentally blocked the wrong person, go to your blocked contacts list and remove them. You can unblock them in a few taps.
- If you are getting lots of spam calls, ask your carrier about call filtering. Carrier-level protection can help when iPhone blocking alone is not enough.
Conclusion
Blocking a number on iPhone 16 is quick, simple, and effective for most unwanted calls and messages. Once the number is blocked, your iPhone handles future contact attempts in the background so you do not have to keep dealing with them.
If the same person or spam source keeps coming back with new numbers, combine blocking with tools like Silence Unknown Callers and carrier spam protection. That gives you a cleaner, quieter phone with very little effort.

Matthew Burleigh has been writing tech tutorials since 2008. His writing has appeared on dozens of different websites and been read over 50 million times.
After receiving his Bachelor’s and Master’s degrees in Computer Science he spent several years working in IT management for small businesses. However, he now works full time writing content online and creating websites.
His main writing topics include iPhones, Microsoft Office, Google Apps, Android, and Photoshop, but he has also written about many other tech topics as well.