Which city does the number belong to? How to find out by mobile phone number where the call came from? Telephone geography: how to find out the location where the call came from? How it works

Several ways to find out the location of an unknown number.

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The Russian Federation is the largest country in the world, on its territory there are many different DEF codes of cellular operators. Seeing a missed call from an unfamiliar number on their mobile phone screen, many people cannot immediately determine where the call came from. In order not to end up in roaming and not to spend all your money on calling back, it is extremely important to learn how to determine the location of the caller by phone number. In our article we will tell you in detail how this can be done.

Any mobile operator has unique DEF codes, which can be used to determine the region of issue and operation of the SIM card. The first three digits of a phone number indicate its operator (for example, 903 « Beeline"), however, this DEF code is used in 49 regions of Russia, so it is impossible to accurately determine the location of an outgoing call using it. To do this, pay attention to the following three digits of the number (for example, 903 249-XX-XX « Beeline" Moscow).

There are a lot of such combinations and it is simply impossible to remember everything. That is why the easiest way to find out the region by mobile phone number is to call the support service of your mobile operator. Give the employee an unidentified number, and within a few seconds he will tell you the city or region from which the call was made. This information is not confidential, so there is no point in hiding it.

Support phone numbers of popular Russian operators:

8 800 700 06 11 - Beeline
8 800 250 82 50 - "MTS"
8 800 550 05 00 – “Megafon”
8 800 555 06 11 - "Tele 2"

If you do not have the opportunity to call the support service, but have a computer with Internet access at hand, then you can find out where the call was made by phone number using regular Internet search engines. Open your browser, go to the main page " Yandex" or " Google", enter an unknown phone number in the search bar (not to be confused with the address bar) and click the search button.
You will be presented with many different sites on which this phone number appears. If you go to one of them, you can find out the operator of the number and the region in which it is registered. In addition, on many sites, users leave comments about unknown numbers if they have encountered them before. If the number you provided is fraudulent, you can find out about it from the comments.

How to find out where a mobile phone number was called from using special sites?

It may happen that searching for a number through standard search engines " Yandex" or " Google"will not bring results, because he had never been seen on the Internet before. In this case, to find out the number operator and region, it is best to use specialized Internet services, of which there are many today. One of the most popular is the portal “ TeleHouse", the database of which is constantly updated and expanded. To use it to find out your operator and region, follow these steps:

Step 1. Go to official site portal " TeleHouse", scroll down the main page all the way down and in the " Information» select the item « How to find out where they called you from?».

Step 2. On the page that opens, enter an unfamiliar phone number in the appropriate field and click the " Determine region and operator" You can use any format to enter the number. For example, we will try to find an arbitrary number.

Step 3. You will see search results that include the name of the number operator and the region of use. If the number was previously registered to one operator and then transferred to another, then the search results will display information about both operators, as shown in the screenshot.

IMPORTANT: The information about the numbers is completely reliable. Service " TeleHouse» uses the official database of numbers of the Central Scientific Research Institute of Communications ( TsNIIS).

If you do not have constant access to the Internet, but from time to time you have to determine the regions of incoming calls from unfamiliar numbers, then you can download and install a special program on your computer “ GSM direction finder" With its help, you can not only easily determine the region and mobile operator, but also track the location of the call with an accuracy of up to a meter.

The program is a database with DEF codes of well-known mobile operators. After entering the number, a search is performed in the database, identifies the operator and uploads the result to the screen. To determine the exact location, Internet access will be required, and some modifications of the program may require payment from the user. To ensure that the database of codes and phone numbers is always fresh, the program must be periodically updated by downloading a new version from the network.

IMPORTANT: Since the program is freely available and can be downloaded from a large number of different portals, it is strongly recommended to check the downloaded file for viruses before installation! Hackers often insert ransomware, Trojans, and other dangerous software into such programs.

In addition to calculating the region and operator of a number, sometimes you may need to find out who it belongs to. Such information is confidential and cannot be obtained from an employee of the mobile company. However, several years ago, hackers hacked and posted online the databases of Russian cellular operators, which contain not only customer phone numbers, but also their full names, addresses and even passport details.

A lot of time has passed since then, but these databases cannot be called completely outdated and useless. Most people don't change their phone numbers for years, even decades. Therefore, there is a good chance of finding the number and person you need in one of these databases. The majority of services of this kind are paid, but there are also several free databases. For example, this. You can also download free databases of mobile numbers and search them yourself.

VIDEO: How to find out who called a mobile phone number and where from?

For the average person, it is a rare situation when numbers that do not belong to Russian operators appear in his call list. And yet there are situations when you need to call a number from another country, or determine where it was made from. There are several ways to do this.

Find out the country by phone using websites

There are many websites that provide this service for free. You just need to enter your phone number. Here are examples of such sites:

www.kody.su/check-tel;
htmlweb.ru/geo/telcod.php;
http://senderbox.net/detect_country.html;
http://www.geo-phone.ru/.

Find out the country manually by phone

You can also determine the country manually if you have a table of world telephone codes. These are often found in planners that you can purchase at a bookstore. They can also be found on the Internet:

kodtelefona.ru/country;
hella.ru/code/codeworld.htm;
ostranah.ru/_lists/phone_codes.php;
www.citycode.ru/;
infoarena.ru/node/68.

Find the numbers preceding the number (1-3 digits after the plus) in the table and see which country they called you from.

Remember that often incoming calls from other countries (especially those not related to the CIS) are paid. It is unlikely that such a call will cost you a fortune, but it is better to be more economical and take advantage of free Internet calls using Skype or another program.

Several ways to find out the location of an unknown number.

Navigation

Any mobile operator has unique DEF codes, which can be used to determine the region of issue and operation of the SIM card. The first three digits of a phone number indicate its operator (for example, 903 « Beeline"), however, this DEF code is used in 49 regions of Russia, so it is impossible to accurately determine the location of an outgoing call using it. To do this, pay attention to the following three digits of the number (for example, 903 249-XX-XX « Beeline" Moscow).

There are a lot of such combinations and it is simply impossible to remember everything. That is why the easiest way to find out the region by mobile phone number is to call the support service of your mobile operator. Give the employee an unidentified number, and within a few seconds he will tell you the city or region from which the call was made. This information is not confidential, so there is no point in hiding it.

Support phone numbers of popular Russian operators:

8 800 700 06 11 - Beeline
8 800 250 82 50 - "MTS"
8 800 550 05 00 – “Megafon”
8 800 555 06 11 - "Tele 2"

If you do not have the opportunity to call the support service, but have a computer with Internet access at hand, then you can find out where the call was made by phone number using regular Internet search engines. Open your browser, go to the main page " Yandex" or " Google", enter an unknown phone number in the search bar (not to be confused with the address bar) and click the search button.
You will be presented with many different sites on which this phone number appears. If you go to one of them, you can find out the operator of the number and the region in which it is registered. In addition, on many sites, users leave comments about unknown numbers if they have encountered them before. If the number you provided is fraudulent, you can find out about it from the comments.

How to find out where a mobile phone number was called from using special sites?

Step 1. Go to official site portal " TeleHouse", scroll down the main page all the way down and in the " Information» select the item « How to find out where they called you from?».

Step 2. On the page that opens, enter an unfamiliar phone number in the appropriate field and click the " Determine region and operator" You can use any format to enter the number. For example, we will try to find an arbitrary number.

Step 3. You will see search results that include the name of the number operator and the region of use. If the number was previously registered to one operator and then transferred to another, then the search results will display information about both operators, as shown in the screenshot.

IMPORTANT: The information about the numbers is completely reliable. Service " TeleHouse» uses the official database of numbers of the Central Scientific Research Institute of Communications ( TsNIIS).

If you do not have constant access to the Internet, but from time to time you have to determine the regions of incoming calls from unfamiliar numbers, then you can download and install a special program on your computer “ GSM direction finder" With its help, you can not only easily determine the region and mobile operator, but also track the location of the call with an accuracy of up to a meter.

The program is a database with DEF codes of well-known mobile operators. After entering the number, a search is performed in the database, identifies the operator and uploads the result to the screen. To determine the exact location, Internet access will be required, and some modifications of the program may require payment from the user. To ensure that the database of codes and phone numbers is always fresh, the program must be periodically updated by downloading a new version from the network.

IMPORTANT: Since the program is freely available and can be downloaded from a large number of different portals, it is strongly recommended to check the downloaded file for viruses before installation! Hackers often insert ransomware, Trojans, and other dangerous software into such programs.

In addition to calculating the region and operator of a number, sometimes you may need to find out who it belongs to. Such information is confidential and cannot be obtained from an employee of the mobile company. However, several years ago, hackers hacked and posted online the databases of Russian cellular operators, which contain not only customer phone numbers, but also their full names, addresses and even passport details.

A lot of time has passed since then, but these databases cannot be called completely outdated and useless. Most people don't change their phone numbers for years, even decades. Therefore, there is a good chance of finding the number and person you need in one of these databases. The majority of services of this kind are paid, but there are also several free databases. For example, this. You can also download free databases of mobile numbers and search them yourself.

Having received a call from an unknown number on their phone, almost every subscriber asks the question: where did they call from - how to find out? Indeed, if you call this number, what amount will be withdrawn from your account, and is it even worth calling back?

In order to obtain reliable information about the region from which the call originated, as well as about the cellular operator that services this number, many Internet services have been developed. In our article we will talk in detail about how to find out where a number was called from: how to determine the telecom operator and region.

Select a search option

At the moment, there are two ways to obtain data: they are absolutely official and are guaranteed to provide the subscriber with information about an unknown number:

Internet services to determine whether a number belongs to the company providing communication services and the region in which it was purchased.
Contact center of the operator whose SIM card the subscriber uses.

How you can use each of the above methods and find out where the call came from by number will be discussed below.

Option 1: Internet services

There are many services on the global network that can be useful. Their main advantages are:

availability;
no need to pay;
receiving data online;
ability to view data for any number.

To obtain information, you should type a query in the search engine that the subscriber is used to using, for example: where did they call from, how to find out? The search result will be provided in response. You can safely choose the option you like and follow the link provided.

Another advantage of such services is the simplicity of the interface. As a rule, such a site provides a special form for entering a number and a button with which to initiate a search. It is recommended to enter the full number, including the country code (+7/8). This will allow you to understand as accurately as possible where the call was made.

Option 2: contacting call center operators

Another way to obtain information is to call the customer support hotline provided by your telecom operator. Where they called from, how to find out - such a question should be directed to a specialist who will take your call. A few minutes after the check, an employee of the cellular company will answer you who provides communication services and in what region this number is registered. Please note that information about the owner of the number is not provided - only general information is available.

By the way, along with information about which area and operator a specific number belongs to, you can request data on how much a minute of communication might cost. This may be useful for those subscribers who plan to contact the person who called from an unknown number.

How to call the operator?

So, if you have solved the question of how to find out where a person called from and address it to a contact center specialist, then we bring to your attention data on how you can contact customer support:

For owners of a Megafon SIM card, this can be done by calling 0500. The call, of course, will be free, provided that the call is made from the number of this operator.
Subscribers of the alternative telecom operator "Tele2" can contact the consultation line by calling 611.
Persons using the communication services of the MTS operator have the opportunity to contact the dispatch service employees at the number 0890.
For Beeline customers there is also a support line, which can be reached by phone 0611 .

If you use another cellular operator, then you can find out contacts (phone/mail) on the company’s official website or in the documentation that is issued when concluding a contract for the provision of services and purchasing a SIM card.

What should you remember when receiving such information?

We told you earlier how you can find out where the call came from: there are two ways to obtain data. At the same time, I would also like to draw attention to several facts:

You need to enter the number in the format specified on the website: some portals allow you to view data only within the country and ignore the international code, while others take this into account when searching.
The system will display information about the region in which the SIM card is registered. This does not mean that the call was made specifically from the specified area. After all, after purchasing a number, a person could change his place of residence.
Belonging to a cellular operator is determined quite simply. However, given the fact that currently a subscriber, having saved his number, can switch to another operator, we can say that there is a small risk that the operator will not be indicated entirely correctly.

Conclusion

In this article we talked about how to find out where the call came from. How can I find out the cost of a call to this number? Once you know which area the number belongs to and which operator, you should visit the website of the company that provides communication services and view information about long-distance calls.

Similar data can be obtained by calling the contact center and requesting information about the cost of a call to a specific direction. Please note that for long-distance calls, the operator may have options and services that allow you to save money. You can clarify their availability and activation options in dialogue with a specialist.

Russia is a large country; many different DEF codes of cellular operators are used on its territory. When unfamiliar numbers are displayed on the phone, it is not immediately possible to understand where the call is coming from, so you need to be able to determine the region by phone number. This will help you save money and help you decide whether or not to call the person.

Find out the region by phone number from the operator

Each mobile company has unique DEF codes that indicate a specific operator and region. This is one of the options for finding out where the call came from by phone number. You can remember the first three digits that belong to your cellular provider. If you don’t want to do this, then you can find out which operator and region by phone number through the customer support service. Dictate an unknown telephone number to a specialist, and he should tell you where they called from (from which city, region). The provider has no reason to hide this data.

Find out the region and operator by phone number through search engines

Another free way to find which region by subscriber’s phone number is any search engine. You just need to open a browser on your computer, enter your phone number in the search bar (not the site address) and press the enter button. The search results will not indicate the first or last name of the owner of the mobile phone, but you will find out that it is, for example, MTS or Megafon, and where the call came from. This is the easiest, fastest way to find out a region by mobile number if you have Internet access without outside help.

Find out the city by phone number through service sites

If you need to find out the region by mobile phone number, you can use special sites that implement a search for this parameter. They do not determine the subscriber's first and last name, but they can indicate the region of the country. One of the striking examples of such a resource is the MTT website. You can check the phone number by region where the call came from as follows:

Go to the website.
Scroll to the bottom of the main page.
In the right column at the bottom there will be a section “Mobile operator codes”.
A line will appear where you need to enter the data.
Click "Show".

This is not the only resource that can determine whether a mobile operator belongs to a specific area of the country online. For example, the “tele-house” or “gsm-inform” services work on the same principle. You need to indicate the caller's cell phone number in the form on the website, and the program will determine by code the location and region of the country to which this mobile DEF code is linked. Please note that you can only find out the place where the package was registered and purchased. The identifier will not indicate the actual location of the subscriber.

Determining a region by number using special programs

To find out which region a cellular operator number belongs to, you do not need Internet access. You can use special utilities that are installed directly on the computer and work in “Off-line” mode. The principle of operation of such applications is very simple: directories with all mobile company codes are loaded into the system, then the determinant function compares the data and shows where the call came from.

As a rule, such programs are distributed free of charge, for example, “Mobile Operators”, “GSM Direction Finder” and others. Periodically, applications should be updated to the latest version so that the database is “fresh” and gives the package ownership as accurately as possible. These utilities also will not indicate the city in which the subscriber is currently located, but will help you find out where they called from.

Are they calling from numbers you don't know? Are they offering unnecessary services or products? However, you don’t know how to find out who called? You are not the only one, as thousands of messages on specialized forums show, who have been overtaken by annoying subscribers who do not want to introduce themselves.

Many are haunted by various beauty salons, banks and other organizations offering absolutely unnecessary services or goods, while others are haunted by acquaintances with whom they don’t really want to communicate. At the same time, you often can’t guess whether the call is important or not.

Therefore, I want to find out in advance who is calling, so as not to waste time on empty talk. Today we will tell you about popular free and paid ways to find out who called and from where, using only a phone number.

The easiest way to find out who called a phone number. Video instruction

You've probably heard about them, you're probably familiar with them, and maybe you yourself are paranoid, afraid that large global corporations are collecting data about you through the World Wide Web. Such users can be considered too fixated, but there is some sense in their fears.

The Internet is spreading at lightning speed, it is regularly filled with services, social networks and other resources that make our lives easier - online stores, instant messengers for quick messaging, payment systems. However, each of the services strives to find out more about us by asking for our full name, place of residence, date of birth, and the same phone number during registration.

From all of the above comes the first free way to find out who called. Probably, the annoying subscriber is on VKontakte, sells something on Avito, or uses other services where a phone number is often indicated.

Search engines index all information entering the Internet, that is, they enter it into their own databases so that you can find what you want by entering a query in the search bar. For example, you specified “how to find out who called” and found our article, which has already been indexed.

The same thing happens with the user’s personal data, which he indicates in profiles on various sites. Which may work to our advantage. Just enter the phone number into the search bar and see where it is listed. Often, this free method turns out to work in cases when representatives of various companies call you, most of whom have a personal website on which, in fact, numbers are indicated.

You should search for a phone number through various search engines. If you didn’t find it using Yandex, don’t worry, try using Google or Rambler.

Less often, but it is still possible to identify an ordinary user by phone number who indicated it, for example, on a social network or on an advertisement site. In this case, you can not only find out the name, but also get a photo of the subscriber and set his hobby.

Find out who called via Viber or another messenger

If you or your family are receiving threats from unknown numbers, then this can already be considered a compelling argument for contacting law enforcement agencies. After filing an application, the authorities, if the reason is really compelling, will give you information about the owner of the phone number, who may also end up in the dock.

Phone number databases

On the Internet it will not be difficult to find the so-called database of numbers. They are presented both in the public domain (as a rule, ancient databases and lists of numbers of different organizations) and in paid form (supposedly the most current databases, but the risk of running into a scammer is very high).

We do not advise you to purchase databases. In most cases, they are offered to buy by scammers who, not only will provide you with an empty database, but can also infect your personal computer with some kind of virus. If databases of numbers appear on the Internet, they are quite old - nevertheless, operators do not have the right to distribute information about their clients.

Interestingly, such databases are filled by inattentive users who indicate their numbers and other data on various sites. Should not be doing that.

Please also note. Using such databases may not result in you receiving information about the caller, but in problems with law enforcement agencies. It is prohibited in most countries, including ours, to collect information about users. If law enforcement agencies, which for some reason have gained access to your computer, discover the number databases, you may be in trouble, including the initiation of a criminal case.

How to find out where a call came from using a phone number

If it is not always possible to find out the name and date of birth of the subscriber, then it is very easy to establish the place from where the call was made, as well as the operator.

The Internet is full of services that, after you have indicated the number of the annoying subscriber, will provide information about the region (often on a map) and the name of the operator to which it is attached. The method is very simple and absolutely free. In addition, once you know where the call came from, it is much easier to determine who owns the phone number.

We use applications to find out who called

Modern mobile operating systems surprise and delight with their widest capabilities, as well as support for a wide variety of software. Applications that help you find out who is calling using just one phone number are popular today. Such software is distributed both paid and free, and is often supplemented with various options.

The databases of these applications are filled with numbers taken from the public domain, so you are unlikely to find the numbers of absolutely everyone you know in them. They are mainly aimed at combating criminals, collection agencies and other organizations.

They are usually added by the users themselves. That is, the N-number constantly calls or sends SMS to someone, spreading spam. This user shares the number and the app developers add it in the next update. So, all other users will already be warned.

There are many similar caller ID applications, but they are similar in capabilities. For example, the program with the simple name “Who called?” has quite high ratings. More than a million people use it, it is quite functional, and is updated very often.

Also available for free. Another example is the DU Caller application, which has also been installed by more than a million users leaving positive reviews. A completely convenient and functional tool that is designed to protect you from incomprehensible calls.

Many users are sure that such applications are nothing more than collectors of information about numbers. Whether this is true or not is difficult to say. However, the same can be said about absolutely every application.

Conclusion

These are fairly simple methods used to find out information about the caller by phone number. All of them are safe and legal, with the exception of number bases, which in some cases can lead to disastrous consequences.

However, if you do not break the law or do not sell such databases yourself, then law enforcement agencies will not gain access to your computer. Well, we hope our material will help you finally figure out who is on the other end of the line.

Why does a simple user need to know which cellular operator subscriber called him? Is it possible to find out for yourself? Information about the telecom operator by the caller's phone number may be needed for many reasons, ranging from saving money for a mobile conversation, since the cost of calls for all voice calls within the same network is significantly reduced, and ending with the function of establishing the location of the subscriber.

Determining the operator will help to restore the truth, because it is likely that this is done by a paid service, and if they respond, a decent amount can be debited from the balance.

Sometimes it is important to know how to identify an operator by phone number, because very often subscribers can receive tempting offers on short, unfamiliar numbers. In such cases, they often promise a low cost for the service, but in reality, free cheese can only be in a mousetrap.

To be sure that it is not scammers and swindlers calling you, but the service of your mobile operator, on the official websites of Beeline, MegaFon and MTS there are pages where a list of all short numbers is presented:

Information is available for Beeline subscribers.
MegaFon clients can get all the information.
MTS has created a support page.

Determine belonging to one or another operator

If earlier this or that operator had a set of a certain three-digit code by which it could be confidently identified, then recently, due to the transition of clients to another service provider without changing the usual digital number, this has become more difficult.

To know exactly who is trying to call you, you can use a special service from Tele2, or the same function is available from Beeline if you open.

For reference:

Digital codes 910-919, 980, 981, 982, 985, 987, 988 belong to MTS subscribers.
For MegaFon, the first three digits of the code will be from 920 to 937.
For Beeline these numbers are 903, 905, 906, 909, 960-968, 976.
TELE2 subscribers are assigned codes 902, 904, 905, 950-953, 916.

But, as we have already mentioned, this is very conditional; to clarify, you should still use the services online, since some subscribers use the service via . And already in this case, when you receive an incoming call, you can see on the screen of your device that, for example, a Beeline subscriber is calling you with the beginning of the number 909, but in fact this may already be a client of Tele2, since he made the transition while keeping the old number.

MTS codes by region

Tele2 codes by region

How scammers act if they only know your phone number

Each mobile network subscriber has his own individual number, and it is not in the SIM card’s memory, as many users naively believe. Only the subscriber ID is stored on the SIM card; it can be sent to your operator’s network after registration.

What it represents is a set of 15 digits:

The first three are given to determine the code of belonging to a particular country (for Russia it is +7).
The next 2 digits will determine the mobile operator.
And then there are 10 digits of the SIM card number of a certain subscriber (denoted by hackers as an IMSI number), and it is by this that each subscriber is identified; it is also used for conducting a wide variety of financial transactions, for example, in a mobile bank.

The general 15-digit identifier and the personal one, which we just mentioned, are stored in a single local database called HLR (Home Location Register), this is not necessarily the only database, there can be several of them in the world.

Now the most interesting thing is that when the SIM card expires or fails, the user must exchange it for a new one, but sometimes in a communication shop it is not possible to assign a number to a new SIM card exactly the same as it was on the old one. Why? And it has already been entered into the database in the name of another subscriber!

Knowing the data transfer mechanisms and SIM card number, scammers redirect requests from the banking structure to their phone, gain access to your data and manipulate your account at their discretion. Why all this talk? Besides, if your SIM card has lost its basic characteristics, it is better to get a new one and not restore the old number, because attackers can use this data.

Content

All mobile devices have automatic identification installed, so it's easy to see who is making calls. But what to do if Caller ID showed “soulless” unfamiliar numbers? Is it worth calling back or is it better to clarify information about the subscriber? Not all conversations can be pleasant, and some should be avoided.

How to find out who owns a phone number

The drastic measure to find out who owns the phone number is to contact the police. But such treatment can only happen when the caller breaks the law. Civil servants have a complete database of all SIM cards, so figuring out the name of a mobile stalker is not difficult. It is only possible to obtain information about the person from whom the calls were received only in the courtroom.

A free way to find out who called a phone number is to ask your friends if they have a similar combination of numbers and the name and surname of the caller in their address book. You can often find out that an old friend or former classmate is trying to contact you, so nothing bad will happen if you pick up the phone, or you can simply blacklist him.

How to find out who owns a mobile phone number

Many advanced users ask the question “who called me?” turn to the Internet. This free method of identifying which operator the call was made from is becoming increasingly popular.

Many scammers take advantage of the naivety of Internet users and create fake databases requiring them to send SMS.

Remember that only government agencies have databases, and information about whose phone number is not provided upon request from individuals. It will be possible to find out who called from the number if there are compelling reasons after investigations. How to find out who called a phone number for money? You can also turn to private agencies, but they own only part of the databases, so there is a high chance of not getting the subscriber’s coveted full name.

How to find out where a call came from by phone number

It’s easy to find out the countries and regions from which a missed call came – there are really a lot of such databases on the Internet and 90% of them are genuine. First, the service carries out the first three digits, and then the region where the numbers are most often found in this combination. MTS, Megafon, Beeline are the largest mobile operators. To ensure that there were enough combinations for everyone, there was no confusion, the first three digits (9**) were distributed depending on the areas.

How to find out who called a phone number and you didn’t manage to pick up your cell phone in time? If you receive a call from another city, it could be scammers, advertising companies, or simply inattentive people. If the owner is trying to hide the identifier using the “anonymous” function, then details that can be ordered from your operator’s office, if time allows, will help you calculate the treasured numbers.

Another good one is to turn off your cell phone. If the subscriber calls again, and you have the “Who called?” option enabled, then you will receive an SMS notification from whom the call came, and then all that remains is to call back or calculate the approximate location of the owner. The “anonymous” function has not been very popular lately, but it has its place, so you can figure out where the call came from using a phone number, even a hidden one.