What "restricted" means and why you're seeing it

A restricted call is one where the caller has deliberately hidden their phone number from your caller ID. You see "Restricted," "Unknown," "Private," or "Blocked" instead of a name or number. This is different from a call from a number you don't recognize — the caller actively chose to hide their identity.

Legitimate callers hide their numbers sometimes: hospitals calling about test results, government agencies, some businesses with privacy policies. But restricted calls are also the tool of choice for scammers, debt collectors using aggressive tactics, and people harassing you. Because you can't see who's calling, you can't easily block them by number.

The good news is that most phones and carriers now offer ways to block restricted calls entirely, or to send them to voicemail so you can listen later and decide whether to call back.

Key Takeaways

  • Your phone's built-in settings can block all restricted calls on iPhone (Settings > Phone > Silence Unknown Callers) or Android (Phone app > Settings > Block unknown).
  • Your carrier — Verizon, AT&T, T-Mobile, or another — may offer a separate call-blocking service that catches restricted calls your phone misses.
  • Blocking restricted calls means you will miss legitimate calls from hospitals, government offices, and some businesses that hide their numbers for privacy.
  • If you need to receive calls from restricted numbers, send them to voicemail instead of blocking them, so you can listen and decide whether to call back.

Block restricted calls on iPhone

iPhone's Silence Unknown Callers feature sends any call from a number not in your contacts to voicemail. This catches most restricted calls because the system treats them as unknown numbers.

To turn it on: Open Settings, tap Phone, scroll down and tap Silence Unknown Callers, and toggle it on. The switch will turn green. From that moment, calls from numbers you don't have saved will ring to voicemail instead of your phone.

The trade-off is real: you will miss calls from your doctor's office, your bank, job callbacks, and any business that calls from a main number rather than a direct line. Check your voicemail regularly. If a call is important, the caller will leave a message and you can call them back.

Block restricted calls on Android

Android's call-blocking feature works similarly but the steps depend on which phone maker you have. The most common path: Open the Phone app, tap the three-dot menu (or Settings), look for Call Blocking or Block Numbers, and turn on Block Unknown or Block Restricted Calls.

On Samsung phones specifically, open the Phone app, tap the menu icon, go to Settings, tap Blocking, and toggle on Block Unknown Callers. On Google Pixel phones, open the Phone app, tap your profile picture at the top right, go to Settings, tap Spam and Call Screen, and toggle on Filter Unknown Calls.

If your phone doesn't have a built-in option, your carrier almost certainly does — see the section below on carrier-level blocking.

Use your carrier's call-blocking service

Your phone company — Verizon, AT&T, T-Mobile, or another — offers its own call-blocking tools that work at the network level, before calls even reach your phone. These catch some restricted calls that your phone's built-in filters miss.

Verizon offers Call Filter (free version blocks spam, paid version blocks restricted calls). read the Call Filter app or turn it on in My Verizon. AT&T offers AT&T Call Protect (free version available, paid version blocks more). Turn it on in the AT&T mobile app. T-Mobile offers Scam Shield (free for most customers). Manage it in the T-Mobile app under Account > Scam Shield.

These services vary in what they block and what they cost. Some are free; some charge $3 to $5 per month. Check your carrier's website or call their customer service line to see what's available on your plan and how to turn it on.

Send restricted calls to voicemail instead of blocking them

If you need to receive some restricted calls — from your doctor, a government office, or a business you're expecting to hear from — blocking all of them will cause you to miss those calls. A better option is to send restricted calls to voicemail and listen to them later.

On iPhone, turn off Silence Unknown Callers (Settings > Phone, toggle it off). On Android, turn off your call-blocking feature in the Phone app settings. Your phone will ring when a restricted call comes in, but you can ignore it and let it go to voicemail. If the message is important, you can call the number back.

This approach takes more effort — you have to check voicemail — but it protects you from missing legitimate calls while still giving you control over which restricted calls you respond to.

What to do if a restricted caller harasses you

If someone is calling repeatedly from a restricted number and harassing you, document the calls: write down the date, time, and what was said. After several calls, contact your local police non-emergency line and file a report. Harassment and threatening calls are illegal in most places.

You can also report the calls to the Federal Trade Commission at ReportFraud.ftc.gov. The FTC does not investigate individual cases, but patterns of complaints help them identify scam operations and take action against them.

If the calls are from a debt collector, you have additional rights. Send them a written request to stop calling — a letter saying "Do not call me" is legally binding. Send it certified mail with return receipt so you have proof they received it. Keep a copy for your records.

Frequently Asked Questions

Will blocking restricted calls stop legitimate calls from my bank or doctor?

Possibly. Many hospitals and medical offices call from restricted numbers for privacy. Banks sometimes do too. If you block all restricted calls, you may miss these. If you need to receive calls from specific places, ask them what number they call from and save it to your contacts, or send restricted calls to voicemail instead of blocking them.

Can someone unblock their number if I've blocked restricted calls?

No. If you've turned on a feature that blocks all restricted calls, calls from anyone hiding their number will go to voicemail or be rejected, regardless of who they are or what they do to try to get through.

Does blocking restricted calls cost money?

Your phone's built-in blocking features are free. Your carrier's call-blocking service may be free or may cost $3 to $5 per month depending on your plan and which service you choose. Check your carrier's website or call them to see what's included with your plan.

What's the difference between blocking and silencing calls?

Silencing sends calls to voicemail so you can listen later. Blocking rejects the call entirely — the caller may hear a busy signal or be told the number is not in service. Both keep your phone from ringing, but silencing gives you the option to call back if the message is important.

Can I block restricted calls from just one person?

Not directly, because restricted calls hide the caller's number. You can only block by number if the caller lets their number show. If someone is harassing you from a restricted number, your best option is to send those calls to voicemail and not listen to them, or to report the harassment to police.