# When did people have 5-digit telephone numbers?

People living in cities had five-digit telephone numbers between 1900 and 1910. Four-digit numbers were used for most citizens; however, five-digit telephone numbers were assigned to people in larg... Read More »

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## How many numbers are possible with a 7 digit telephone number?

In order to get the total number of possible combinations of seven-digit numbers, there is a very simple mathematical equation. There are 10 numbers available, 0 through 9, and seven digits per pho... Read More »

## How to Multiply Two Digit by Two Digit Numbers (Using the Count to 99 on Your Fingers Method)?

This method will allow you to multiply two digit numbers without using more than one line. If you do not know how to count to 99 on your fingers, use the wikihow link below.
http://www.wikihow.com/Multiply-Two-Digit-by-Two-Digit-Numbers-%28Using-the-Count-to-99...

## What are people perceptions of 03 Telephone numbers?

most people know that 03 are just more of 01/02 (and usually listed in rates as "01/02/03")a lot of people assume all numbers are the same (NO revenue sharing) in the 1st place !the bigger questio... Read More »

## How many different seven-digit phone numbers are possible if the first digit cannot be 0 or 1?

The easiest way to solve this problem is to look at how many choices there are for each number. The first number has eight choices (all 10 digits except 1 or 2) and the other six have 10. So, the n... Read More »

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