How to Block Unwanted Calls on Any Phone

Unwanted calls are one of the most common complaints among phone users. From aggressive telemarketers to automated robocalls and outright scams, these interruptions waste time and create stress. Fortunately, every modern phone offers tools to fight back.

Blocking Calls on iPhone

Apple provides several built-in features to manage unwanted calls:

\n
• Block a specific number: Open the Phone app, go to Recents, tap the info icon next to the number, scroll down, and select \"Block this Caller.\"
\n
• Silence Unknown Callers: Go to Settings, then Phone, and enable \"Silence Unknown Callers.\" This sends calls from numbers not in your contacts directly to voicemail.
\n
• Report as Junk: When a spam text arrives, scroll to the bottom and tap \"Report Junk\" to notify Apple and your carrier.
\n

The Silence Unknown Callers feature is powerful but can block legitimate calls from doctors, delivery drivers, or businesses. Use it selectively and check your voicemail regularly.

Blocking Calls on Android

Android devices vary by manufacturer, but core blocking features are available across most versions:

\n
• Block a number: Open the Phone app, long-press the number in your call log, and select \"Block number.\"
\n
• Google Phone app spam filter: If you use the Google Phone app, go to Settings, then Caller ID & spam, and enable \"Filter spam calls.\" This automatically screens suspected spam.
\n
• Samsung devices: Samsung phones include Smart Call, which identifies and warns about suspected spam in real-time.
\n

Blocking Calls on Landlines

Landline users have fewer built-in options but can still take action:

\n
• Call blocking devices: Hardware devices like CPR Call Blocker connect to your landline and maintain databases of known spam numbers.
\n
• Carrier services: Most carriers offer call blocking features, sometimes as a paid add-on. Contact your provider to learn what is available.
\n
• Anonymous call rejection: Dial *77 on most landlines to reject calls from numbers that block their caller ID.
\n

Register with the Do Not Call List

The National Do Not Call Registry operated by the FTC allows you to register your number for free at donotcall.gov. While this does not stop all unwanted calls, it legally prohibits most legitimate telemarketers from contacting you. Registration is permanent and covers both mobile and landline numbers.

The Do Not Call Registry stops legitimate telemarketers but does not deter scammers who ignore the law. Combining registration with active call blocking gives you the strongest protection.

Third-Party Call Blocking Apps

For additional protection, consider dedicated call blocking applications:

\n
• Nomorobo: Effective against robocalls with a large database of known spam numbers
\n
• Hiya: Provides real-time caller identification and spam detection
\n
• Truecaller: Community-powered spam identification with a massive user base
\n

Use Phone Lookup Proactively

Before blocking a number, run a quick lookup on CallerInfo.net to confirm whether it is truly spam or a legitimate caller you might want to hear from. This prevents accidentally blocking important calls while still keeping unwanted ones at bay.

Combining built-in phone features, the Do Not Call Registry, third-party apps, and phone lookup tools creates a comprehensive defense against unwanted calls that works on any device.