How To Track A Restricted Phone Number? 8 Easy Methods

How do you call back a restricted number? What are the ways to do it?

Have you ever been a victim of calls from a “restricted number”. A call from a number without the visible numbers on the screen or marked as an “unknown number” or “No caller ID”? Do you wonder if it is possible to reveal the unknown caller number or track a restricted phone number? Well, here are the top 5 easy methods to track back a restricted call or call back on the number marked is an unknown number.


What is a Restricted Phone Number?

We often receive an incoming call with no caller ID or number. These numbers are usually used by telemarketers, BPOs etc. The number can also be achieved by adding prefix *67 before dialing the number.

An incoming call with no number or marked as “Unknown number” is called a restricted phone number. You can read more here about restricted calls.

It is not possible to call back or trackback such restricted phone numbers as there is no valid number on the screen or in the call log.

But, did you know that it is possible to track back a restricted phone number? And here are the top easy methods to do so.

Read Also: How to Block Caller ID on Android and call from Private Number

How To Track a Restricted Phone Number

When you see “Restricted” appear on your caller ID, you receive a phone call from a restricted or blocked number.

An individual can block the origination of the phone call by dialing *67 before he or she dials your number. This is used when an individual does not want the person he or she is calling to trace the call back to him or her.

While finding a restricted phone number can be difficult, it is possible to know what to do.

You can use these methods to trace back a restricted number.

1. Call back a restricted number using *69

You can call back a restricted number by simply dialing *69 from a mobile or landline. But, make sure that the last received call should be from a restricted number.

Also, this works only within 30 minutes from the time you have received the call from restricted number.

2. Use Call Logs to Track Restricted Number

However, it is hard to track back a restricted number using call logs as they are usually not listed as a valid numbers in call log as well. But, still you can use the dedicated carrier apps to track back them by checking the logs carefully.

3. Check Phone Bills

Checking phone bills is another method to track back a restricted phone number. Your phone bill contains all the details of all the received and placed call on the device. You can easily spot a restricted number on the phone bill.

4. Ask the caller

This is the best method to track a restricted number is by asking the caller itself. Chances are they are going to reveal their identity and purpose for calling from a restricted number.

Well, in the case of a spammer, chances are they might refuse your request.

5. Use SSD code To Track A Restricted Phone Number

The majority of carrier providers have sets of USSD codes that serve a different purpose on the device. You can simply dial *69 or *57 to track the last incoming call from your phone or landline as well.

6. Call Customer Care

Another method to track a restricted phone number is to call customer care and ask them about the last incoming call details. They might tell you all the details about the number after verifying your identity.

7. Have the police track the number

If you find that the calls are becoming harassing and you find that restricted calls come at all hours of the day, you may want to have the police track the number.

They have the technology that can track the number and determine its origin and owner.

8. Use Reverse Phone Number Lookup 

A reverse phone number lookup tool can help you to track a Restricted Phone Number by installing a reverse phone lookup tool Caller ID.

Read here: List of Free Reverse Phone Lookup Tools

How to Find Out a Restricted Number on a Landline

Gone are those days when it was impossible to track back an unknown call or restricted call on a landline phone. Nowadays you can easily track back an unknown caller using several methods.

Here we have listed a few methods you can use to track a call from a restricted number on your landline phone.

1. Have a Caller ID installed

Most landline devices are equipped with a caller ID screen where you can see the details about incoming calls including restricted numbers. So, make sure to buy landline phone with a caller ID or you may install a caller ID device separately linked to the device.

2. Call Customer Care And Ask For Help

Your carrier provides has all the data about your device. They have a record of all incoming and outgoing calls including valid and restricted numbers as well.

You can simply call customer care and ask the about the last incoming call even if it was missed or received call.

3. Use Codes To Track A Restricted Phone Number

Depending on the carrier provides you can actually use the USSD code to track back a restricted phone number by just using the set or sets of codes. This code is a combination of numbers followed by *(asterisk symbol).

You can dial *69 or *57 or *59 to reveal the restricted phone number. However, the function depends on the carrier services you are using.

Read Also: Difference between MMI, USSD and SS codes

Other useful USSD secret codes for Landlines

*57Trace Call: Traces the number of the last incoming call received. Useful when the call warrants legal action.

*60 – Call Block: Prevents calls from select phone numbers and gives callers a recording that says you’re not accepting calls.

*67 – Caller ID Block: Hides your phone number on Caller ID systems.

*69 – Call Return: Redials the last number that called you.

*70 – Call Waiting: Places your call on hold so you can answer another.

*72 – Call Forwarding: Forward your call to another phone number.

*77 – Anonymous Call Rejection: Blocks calls from private callers.

*80 – Disable Call Block (*60)

*82 – Disable Caller ID Block (*67)

*87 – Disable Anonymous Call Rejection (*77)

Frequently Asked Questions

What is a Restricted Phone Number?

An incoming call without a called ID or number is referred as a restricted phone number.

Who Use Restricted Phone Number?

A restricted phone number is used by telemarketers and BPO where they tend to hide their number to avoid incoming calls or call back. Sometime spammers might also use the restricted phone number to spam you.

Are Restricted Phone Number Safe?

Well, all restricted phone numbers are not spammed and it may be from important sources like carrier providers, banks and etc. But, in most cases, it’s a matter of concern that a person who is legit wound definitely does not like to act as an imposter by hiding their number.

How to call from a Restricted Phone Number?

The easy method to cal from a Restricted Phone Number is to hide your number by adding prefix “*67” before dialing a number. The method is called hiding caller ID.

Final Words:

A Restricted phone number is a call from a number where they have no caller ID or is marked as “Unknown number” on the Caller ID screen. These calls are usually from telemarketers or spammers as well. You may need to track back a Restricted phone number in order to revel the number. In such can use the methods explained in the article above.



  • I am George, the mind behind My mission with this platform is to offer clear, practical insights into smart devices, VR, and Android technology.

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