Tired of spam calls from hidden numbers? Scammers and telemarketers often hide their caller IDs to trick you into answering. But with your iPhone, you can block no caller ID calls and enjoy peace of mind. Follow these easy steps to stop unwanted calls and focus on what matters!
Block No Caller ID – Why Matters

Spam calls aren’t just annoying—they can lead to scams or fraud. By Block No Caller ID or numbers, your iPhone sends them straight to voicemail. Real contacts can still reach you, and you’ll see their missed calls. Most scammers won’t leave messages, making this a smart way to filter calls.
Step 1: Save Important Contacts First
Before blocking unknown numbers, make sure all your friends, family, and key contacts are saved in your phone. Here’s how:
- Open the Contacts app.
- Tap the + icon (top-right corner).
- Add their name, phone number, and other details.
This ensures you never miss calls from people you trust.
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Step 2: Open Your iPhone Settings
The Settings app is where you control your iPhone’s features.
- Find the grey gear icon on your home screen.
- Tap it to open Settings.
Step 3: Locate the Phone Settings
Scroll down to the bottom of the Settings menu. You’ll see a list of apps. Here’s what to do next:
- Tap Phone (or use the alphabet list on the right—tap “P” to jump there faster).

Step 4: Activate Silence
Inside the Phone settings, scroll down to find Silence Unknown Callers. This feature stops your phone from ringing for hidden or unsaved numbers.
- Tap Silence Unknown Callers (it’s usually turned off by default).

Step 5: Turn On Call Silencing
Finally, toggle the switch next to Silence Unknown Callers to turn it green. Congratulations! Your iPhone will now silence all calls from unknown, private, or hidden numbers. They’ll go straight to voicemail, and you’ll see the attempt in your recent calls list.
What Happens After Blocking No Caller ID?
- Saved contacts can still call you normally.
- Unknown numbers go to voicemail automatically.
- You can check voicemails or recent calls anytime.
Stay Safe and Take Control
By following these steps, you’re using Apple’s built-in security features to protect your time and privacy. This method is tested, reliable, and recommended by iPhone experts. Say goodbye to interruptions and enjoy a quieter, safer phone experience!
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