In both cases - it's for identification purposes ! It's so each individual property can be distinguished from any other. In the case of telephones - each number is different - to identify a specific person or address.
To separate other numbers its just easier to read my friend
There are many things that the numbers 816 could represent. The numbers could represent an area code for telephones numbers in a certain area of the United States.
Telephones now have memory storage. You can generally add many phone numbers to the memory. As to what numbers, add emergency contacts, your friends, and frequently called numbers.
The answer is Zero (0) because that is what you get when you multiply by zero, and zero is one of the numbers on the telephone keypad.
Telephones'
Telephones were invented in 1876. No major milestone in telephones happened in 2000.
DDI (Direct Dial Inwards) telephones allow the user to have multiple telephone numbers, without the need to have expensive direct lines.
Every single country on earth has telephones.
5,4546,3545.3 telephones
Telephones are about instant communication with other people wherever they are.
The possessive form of the plural noun houses is houses'.Example: Not all of the houses' numbers were visible from the street.
Telephones can able to communicate with other telephones through Public Switched Telephone Network, which transmit voice signal over circuit switching technology.