How to Remove No Caller ID on Android – Step-by-Step Guide
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| How to Remove No Caller ID on Android |
If you’ve ever received a call on your Android phone with the label “No Caller ID” or “Unknown Caller”, you know how frustrating it can be. Not knowing who’s on the other end often makes people suspicious, especially with the rise in spam and scam calls. Thankfully, there are ways to remove or block No Caller ID calls on Android so you can have more control over who can reach you.
In this guide, we’ll walk you through what No Caller ID means, how to block or reveal hidden numbers, and how to prevent such calls in the future.
What Does “No Caller ID” Mean?
When a call shows “No Caller ID” on your Android device, it means the caller has intentionally hidden their number using a private number feature. This is different from "Unknown Number", which occurs when the network is unable to identify the caller’s number due to technical reasons.
Common reasons for No Caller ID include:
- Telemarketing or spam calls
- Private or personal calls from individuals
- Calls from certain organizations or government agencies that hide numbers for privacy
- Scammers masking their identity
Why You Should Remove or Block No Caller ID Calls
Blocking No Caller ID calls can:
- Reduce spam and scam risks
- Improve your privacy
- Avoid unwanted interruptions
- Save time by not answering suspicious calls
If you’re expecting an important call from an unknown number (like a job interview or delivery service), you may want to use a caller ID app instead of completely blocking them.
How to Remove No Caller ID on Android
Here are three proven methods to handle No Caller ID calls on your Android device:
1. Use Android’s Built-in Call Blocking Feature
Most Android devices have a built-in feature to block calls without caller ID.
Steps:
- Open your Phone app.
- Tap the three dots (⋮) in the top-right corner.
- Select Settings or Call Settings.
- Look for Block Numbers or Blocked Contacts.
- Toggle Block Unknown/Private Numbers to ON.
Note: This may vary slightly depending on your phone brand (Samsung, Infinix, Tecno, etc.).
2. Contact Your Network Provider to Reveal or Block Hidden Numbers
Some mobile carriers offer services to block or reveal No Caller ID calls.
What to do:
- Dial your carrier’s customer care number (e.g., for MTN Nigeria, call 180; for Airtel, call 111).
- Ask for their “Anonymous Call Rejection” or Caller ID Reveal service.
- They may require activation via USSD code or SMS.
For example:
- MTN Nigeria Caller ID settings: MTN Support Page
- Airtel Nigeria Call Management: Airtel Nigeria Support
3. Install a Caller ID & Spam Blocking App
Apps like Truecaller, Hiya, and CallApp can identify hidden numbers and block spam calls.
How to use Truecaller to block No Caller ID:
- Download Truecaller from the Google Play Store.
- Open the app and grant permissions to access calls.
- Go to Settings → Block.
- Enable Block Hidden Numbers.
This ensures that all private number calls are automatically blocked.
How to Reveal No Caller ID Before Answering
If you don’t want to block them entirely, you can try to reveal the caller’s number using third-party services.
- TrapCall (US/UK-based) can unmask private numbers by rerouting calls.
- Call Return codes like *69 (works in some countries) can dial back the last caller.
Important: These services may not work in all countries and may involve extra charges.
Preventing Your Number from Showing as No Caller ID
If you are the one making calls and your number shows as No Caller ID, here’s how to fix it:
- Open Phone app → Settings.
- Tap Caller ID or Show My Caller ID.
- Select Network Default or Show Number.
For MTN Nigeria users, dial #31# before your number to remove hiding.
Final Thoughts
Removing or blocking No Caller ID calls on Android is easy once you know the right settings. Whether you use the built-in blocking feature, contact your network provider, or use an app like Truecaller, you can take back control of your incoming calls.
However, keep in mind that some hidden calls could be important, so it’s better to choose a solution that suits your needs — either blocking all private calls or using caller ID reveal apps.
If you’re tired of spam calls and want more Android tips, check out our Android Tricks and Tutorials section for more helpful guides.
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