What does "unknown caller" mean?

Asked by: Rhianna Dare  |  Last update: February 4, 2026
Score: 4.4/5 (58 votes)

Unlike No Caller ID, where the caller actively hides their number, Unknown Caller means the caller's information is not available or not transmitted properly and your phone service provider is unable to identify the caller.

What does it mean when you get a call from an unknown caller?

If an "unknown caller" label appears on your phone screen during an incoming call, your phone service provider couldn't identify the caller due to a network error. Meanwhile, receiving a "no caller ID" call means that the caller has intentionally hidden their identity.

Can you find out who an unknown caller is?

Use the *69 code to get no caller ID numbers

Listen for the automated recording of the last number that called you (and any other available caller ID information). Depending on your phone service provider, *69 may offer a dial-back option to return calls and identify who called you.

What's the difference between unknown caller and caller ID?

What's Unknown Caller? Unknown Caller means something different from No Caller ID, which indicates someone intentionally hid their identity. If you see the Unknown Caller label when your phone rings, it means your phone service provider doesn't recognize who is trying to reach you.

Is an unknown caller someone you know?

If you get a call labeled Unknown Caller, it means your cell provider is unable to identify the caller for technical reasons. This doesn't necessarily mean the call is suspicious — it could still be from someone in your contact list or a legitimate source.

What is Unknown Caller on iPhone? (explained)

19 related questions found

Should I answer an unknown caller?

Because fraud in general is rampant these days, it's wise to avoid responding to any unsolicited call. Once scammers get you on the phone, they can play with your emotions (instilling fear or anxiety, for example) to prevent you from thinking clearly, leaving you vulnerable to fraud.

Does *69 tell you who called?

*69 will dial the number of the last party to call you so long as they did not block caller ID and the number reported is valid. This is also carrier dependent.

Should I be worried about unknown callers?

Oftentimes, these callers aren't intentionally trying to hide their identity, but it's still a good idea to be cautious. Scammers can also use this method to hide their identity by using a phone that isn't registered with the phone company, for instance.

How to check an unknown phone number?

To trace a call from an unknown number, use star codes like *69 and *57, contact your phone company directly, or use specialist third-party apps. You can then call the unknown number back or block it. Before you use tools and services to unmask your caller, check if they've left a voicemail.

Does "unknown" mean "blocked"?

Differences Between “Unknown Caller” and “No Caller ID”

This means the caller's information is not available to be displayed. On the other hand, “No Caller ID” is a deliberate action taken by the caller to block their phone number and identity from being shown.

What are some signs that a phone call is actually a scammer?

How to Spot a Phone Scam. Telephone scammers often try to hook you with enticing offers, appeals for charitable causes, or claims of being associated with the government. They won't allow time for you to think through their pitch. They will pressure you to make a decision.

How can I get call details of an unknown number?

When you receive a call from an unknown number, you can look up the phone number on your Phone app. To check the caller: Open your device's Phone app . In the Home tab , tap an unknown number.

Is an unknown caller a private number?

Here's what those terms mean: Private Number - your caller is hiding their number on purpose. There may be many reasons for this, including privacy concerns or malicious intent. Unknown Caller - there is an error in the network settings or a feature, which is not supported, is enabled.

How do unknown callers get my number?

Many scammers obtain phone numbers from public records and data brokers. You can remove your name, address, and phone number from data broker lists and people search sites for free. Unfortunately, there are currently an estimated 4,000 data broker companies in existence.

Why do incoming calls say "unknown"?

If some incoming call numbers are displayed as unknown

The other party may be using a third-party app to make a VoIP call. The other party may be hiding the caller ID using a third-party app or some settings on the phone. The other party may have activated a carrier service to hide the caller ID when making calls.

What should you do if an unknown number calls you?

General safety and prevention tips

  1. Don't give away your personal information.
  2. If you do answer a call from an unknown number, ask for a number you can call them back on.
  3. Don't call back or answer calls from unknown numbers.
  4. If the call is at all suspicious, it is probably is a scam.

Should I call back an unknown number?

Never give out personal details, passwords, bank card codes or response codes via an e-mail, telephone call, text message or social media. Never call back numbers that you do not know. Never answer calls from unknown numbers, especially if they are foreign numbers.

Can I trace an unknown number?

Can I trace unknown, blocked, or private numbers? Private numbers, blocked, and restricted calls can usually be traced. However, unknown, unavailable or out of area calls are not traceable because they don't contain the data needed for a successful trace.

What is the suspicious calling pattern?

Warning: Suspicious Calling Pattern

This indicates a high volume of incoming traffic from a single number. This is associated with potential spam and means you should be cautious.

Will my phone be hacked if I answer an unknown call?

Unrecognized texts or calls

Contact from unrecognized numbers could indicate you're the victim of a data breach. Don't answer calls from unrecognized numbers, unless you're expecting them or can verify their authenticity. A hacked iPhone or Android phone can send text messages to all its contacts.

Can I safely reply to an unknown number?

Don't. Your first defense against spam texts is never to reply to unknown numbers (this applies to phone calls, too!) Unless you know the sender, texting back can be dangerous, leading to more spam texts or potential scams.

Can a scammer hack my phone if I answer?

You can't get hacked instantly just by responding to a scam text. But replying might expose vulnerabilities that could get you hacked in the future, so it's best not to respond at all. If you've already responded, help mitigate the damage by following the tips in this guide.

What is *77 on your phone?

Anonymous Call Rejection (*77) - Stops your phone from ringing when callers have blocked their number. Selective Call Rejection (*60) - Allows you to program your phone to block unwanted calls from numbers placed on your rejection list.

Will *67 work if I'm blocked?

*67 blocks your phone number from the phone you are calling (it hides caller ID) but I have never seen it used to bypass a number block. He's most likely using a different phone (like google voice or his work line).