Why Do Phone Numbers Have 10 Digits?

Many combinations have been used to generate phone numbers from the time phones came to the present. The first number combinations of telephones consisted of alphanumeric letters. Alphanumeric numbers were abolished and 10-digit numbers began to be used. So why?

The phone is one of the most used devices in our daily life. Everyone has at least one to receive calls and messages on the phone. to phone number needs. Thanks to these phone numbers, we can receive and make calls and send messages.

In addition to these three basic features, mobile applications require a phone number for verification even during registration. In short, these phone numbers starting with 10 digits part of our life seems to have become. Have you ever thought about why they have 10 digits before? Let’s see why together.

When telephone numbers first appeared, they were replaced by digits. It started with names.

The person’s name first two letters it was usually written in capital letters and was an example of the digits of the telephone numbers on the telephone dial. To understand this alphanumeric system, open the search section on your phone and you will see the letters ‘M,N,O’ under 6 and ‘T,U,V’ under 8.

To give an example of such phone numbers, we take a scene from the sitcom I Love Lucky, which was shot in the past years. In images in a scene Murray Hill 5-9975 phone number appears. This Murray Hill 5-9975 phone number in the scene actually corresponds to 68 5-9975.

This system is for people who want to make phone calls; letters confuse due to similaritiesproliferation of wrong calls, number and name few combinations because it was removed. In the following times, it was gradually passed to 10-digit numbers.

Now let’s see why 10-digit numbers are used:

Indirect population growth caused this situation.

As the world’s population is constantly increasing, the number of mobile phone numbers available must outnumber phone users. If we take India as an example, the current population of the country is 1,367,938,326 according to the United Nations report calculated in 2019. The population is expected to increase to 1.7 billion by 2060, so existing phone numbers more than population it should.

Permutations and combinations Let’s dive into 10-digit numbers.

How many single digit numbers do we know? Answer 10. How many different combinations of numbers occur if the phone numbers are 2 digits? 10×10=100 grains combination occurs. Likewise, how many combinations would occur if phone numbers were 9 digits? reply 1 million combination. Now let’s find the combination of 10 digit numbers. This is us 10 billion It offers different combinations. This combination does not seem easy to overcome with phone numbers.

Do all countries use 10-digit phone numbers? Answer is no

Using 10 digit numbers of all countries no obligation. Usually these numbers by population it varies. 6-digit phone numbers are used in the Oceania island country named Niue, where 1,620 people live, according to 2018 data. Technically speaking, the combination of 6 digits seems to be enough for them.

China, on the other hand, has a huge population and therefore needs more phone numbers. For this reason in China to 12 digits phone numbers are used. Based on this situation, India, which has a large population, may switch to 11 and 12 digit numbers in the future.

Additionally: Numbers starting with 555 are preferred for movies in America. And why?

If you watched the Ghostbusters movie starting with 555 You will see a number appear. This is present in many American movies and TV shows. In the story of the production, if a phone number needs to be given, a number starting with 555 appears directly in front of us.

The answer to this situation is simple. Numbers starting with 555 in America not working, That’s why these numbers are featured in movies and TV shows. If a big fan wants to call all the time, that’s it. can’t reach numbers. Additionally, the 555 was a switchboard combination not used very often in the American telephone system.

What do you think about the use of 10-digit phone numbers?

Sources: Numberbarn, Talkroute, Science ABC, Pritesh Pawar, Business Insider


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