Why is a Blocked Number Still Calling Me? (on Android)

Last Updated: March 4, 2024
Published by Ruby Cobb

When you block a number on your Android device, you’re employing a feature intended to prevent specific numbers from reaching you. However, certain calls may penetrate these defenses due to technical workarounds or system limitations.

How Call Blocking Works on Android

When you block a number on Android, your phone is configured to reject incoming calls and messages from that specific contact. This is managed internally by the operating system.

Blocked callers are typically directed to voicemail, and you won’t receive a notification of such calls. Text messages sent from blocked numbers are also filtered out and won’t appear in your messaging app.

Reasons for Blocked Numbers Still Making Calls

  • Caller ID Spoofing: Callers may disguise their number using spoofing techniques, appearing as a different number or as ‘Unknown’. Consequently, your device cannot recognize the number as blocked.
  • Carrier or Network Limitations: Some carriers might not support the blocking of numbers at the network level, allowing calls to still come through to your device despite being blocked.
  • Third-Party Apps: Callers using third-party apps to make calls or send messages may bypass the standard blocking features on your Android phone.
  • System Updates: At times, system updates might reset some settings, which could potentially interfere with your blocking preferences.

Potential Issues with Call Blocking Features

When you block a number on your Android device and yet receive calls from it, the call blocking feature might not be functioning correctly due to software bugs or limitations posed by your carrier.

Software Bugs or Glitches

Your Android phone’s call blocking functionality may sometimes be hindered by software bugs or glitches. These can occur after system updates that inadvertently disrupt existing settings, or when there’s an error within the phone’s operating system.

If a blocked number is still able to contact you, consider the following:

  • Check for Updates: Ensure that your phone is running on the latest software. If not, updating it might resolve any bug-related issues.
  • Restart Your Device: Sometimes, a simple restart can fix temporary glitches affecting blocking features.
  • Reset Call Blocking Settings: Remove the blocked number and add it again to ensure the setting is correctly applied.

Carrier-Based Limitations

The effectiveness of call blocking can also depend on your mobile carrier’s infrastructure. Some of the carrier-related limitations might include:

  • Network-Based Blocking: If the blocking service is offered at a network level, and not just on your device, there might be lag or errors in syncing your preferences.
  • Hidden Caller IDs: Callers can hide their caller IDs or alter them, which may circumvent network-based or device-based blocks. Check with your carrier if they offer solutions to this problem.

Exploring Call Blocking Workarounds

When a blocked number continues to call you on an Android device, it may necessitate alternative methods and tools beyond the default call blocking feature.

Alternative Call Blocking Methods

  • Reviewing Block List: Ensure your blocked numbers list is updated correctly in your phone settings.
  • Navigate to Settings > Call Settings > Block Numbers to confirm the numbers you’ve blocked.
  • Carrier-Provided Tools: Some network carriers offer additional call-blocking services. Contact your carrier to inquire about such options.

Third-Party Call Blocking Apps

  • Selecting Reputable Apps: Look for well-reviewed call blocking apps on the Google Play Store that provide enhanced blocking capabilities.
  • App Permissions: Prior to installation, carefully review the permissions requested by third-party apps to protect your privacy and security.

Steps to Prevent Blocked Numbers from Calling

In addressing the issue of blocked numbers still reaching your Android device, consider these methods to enhance the effectiveness of call blocking features.

Verifying Contact Blocking Procedures

To ensure that you’ve correctly blocked a number on your Android phone, follow these steps meticulously:

  1. Open the Phone app, tap More (represented by three vertical dots), and select Settings.
  2. Choose Blocked numbers and confirm if the unwanted number is listed.
  3. Review the block list periodically to ensure that numbers are not accidentally unblocked or missing.

Updating Android Operating System

Ensuring that your Android operating system is up-to-date is crucial as updates often include security patches that can improve call blocking features:

  • Go to Settings, scroll to System, and tap on System updates.
  • If an update is available, follow the prompts to download and install.
  • Restart your device after updating to ensure changes take effect.

Contacting Your Mobile Carrier

Your mobile carrier may offer additional tools and services to prevent blocked numbers from reaching you:

  • Contact customer support or visit your carrier’s website to explore call blocking options they provide.
  • Ask about any advanced call screening or blocking features that are available for your account.
  • Implement carrier-recommended methods alongside your device’s features for added protection.
Ruby Cobb
Ruby has a passion for all things tech. Whether that be building computers, setting up a network, or wiring a home theater. Ruby is an avid gamer, writer, and researcher. When she's not writing articles for Rocky MTN Ruby she enjoys hiking, binge watching TV shows, and playing with her German Shorthaired Pointer.
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