Reason for 10 digits phone number...|Mobile Number Country code|Mobile Number Rules
→Today we can talk to friends or relatives living in countries around the world with mobile phones. When there are millions of mobile phones around the world, they have to use precise arithmetic to assign numbers.
→If the numbers are confused, it will be difficult to connect with each other.Millions cannot be made by flipping four or five numbers or arranging them differently.
→ In addition, the telephone department has reserved numbers like 12, 101 and 108 for services like fire brigade or police.
Some rules of Phone number...
→So no one numbe can be start from one(1)
→Subscriber trunk dialling (STD, also known as subscriber toll dialing) is a telephone system allowing subscribers to dial trunk calls without operator assistance.→The STD code starts at zero.
→Large national level companies have reserved numbers starting from 3 and 4.
→Normal landline numbers start with two. Mobile companies have initially been allotted a figure of nine. Allocating numbers thus makes it easier to construct different numbers than one.
→Millions of numbers can be obtained by reversing 10 digits, so for convenience, 10 digit numbers are kept in the mobile.
Mobile Number country Code
→Most telephones have their own number. Today, telephone numbers are about seven to ten digits long. In many countries, part of the telephone number is called the area code. Area codes are used to make sure the numbers are not the same in two different places. Areas have their own area code, and countries have their own country code.
For All country codes click here:→ country code
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