How to Block Mobile Number on iPhone
Learn how to block a number on iPhone from Phone, Messages, or FaceTime, manage blocked contacts, avoid mistakes, troubleshoot, and use FAQs.
Quick Answer
To block a number on iPhone, open Phone, Messages, or FaceTime, tap the number or contact info, choose Info, scroll down, tap Block Caller, and confirm.
What You Need
- iPhone
- Number or contact to block
- Phone, Messages, or FaceTime app
- Recent call or message if available
Safety Precautions
- If you are receiving threats, save evidence and contact appropriate local help.
- Blocking may not stop calls from hidden or different numbers.
- Do not engage with suspicious spam links.
- Review blocked contacts if you block someone by mistake.
- Use carrier spam tools for repeated unwanted calls.
Step-by-Step Instructions
- Step 1
Open recent call or message
Use Phone Recents, Messages, or FaceTime.
- Step 2
Tap the info button
Open the caller or sender details.
- Step 3
Scroll down
Look for Block Caller near the bottom of the contact details.
- Step 4
Tap Block Caller
Confirm that you want to block calls, messages, and FaceTime from that number.
- Step 5
Manage blocked numbers
Open Settings > Phone > Blocked Contacts to review or unblock.
- Step 6
Report spam if available
Use carrier, Messages, or call-filtering tools when appropriate.
- Step 7
Stay alert
Block new numbers if the same sender contacts you from different numbers.
Practical Example
Example: After receiving repeated spam calls, you open Phone > Recents, tap the info icon next to the number, and choose Block Caller.
Common Mistakes
- Blocking the wrong contact
- Expecting blocked voicemails to disappear completely
- Clicking spam message links first
- Forgetting FaceTime can also be blocked
- Ignoring carrier spam settings
- Unblocking accidentally from settings
Troubleshooting
Blocked person still reaches you
They may be using another number, email, or app; block each route and check app settings.
You blocked someone by mistake
Go to Settings > Phone > Blocked Contacts and unblock them.
Spam calls continue
Use Silence Unknown Callers or carrier spam-blocking tools if suitable.
Messages still appear elsewhere
Check third-party messaging apps separately.
Helpful Internal Links
FAQs
Will someone know I blocked them?
iPhone does not send a direct notice, but they may infer it from call or message behavior.
Can I unblock a number later?
Yes. Manage blocked contacts in iPhone settings.
Does blocking stop voicemail?
Blocked callers may still leave voicemails in a blocked messages area depending on carrier behavior.
Can I block unknown callers?
You can use Silence Unknown Callers, but review the tradeoff because legitimate calls may be silenced.
Related Guides
How to Delete Apps on iPhone
Learn how to delete apps on iPhone, remove apps from the Home Screen, free storage, avoid data loss, troubleshoot, and use FAQs.
How to Make a Sticker on iPhone
Learn how to make stickers on iPhone from photos, use Live Stickers, add effects, send them in Messages, troubleshoot, and use FAQs.
How to AirDrop
Learn how to AirDrop files safely between Apple devices, adjust visibility, send photos, troubleshoot missing devices, and use FAQs.
Help us improve this guide
Tell us about an outdated instruction, unclear step, broken link or safety concern. Do not include passwords, account numbers, medical records or other sensitive information.