## Are there still 1 900 numbers?

1-900 numbers weren’t just for sex lines and psychics (thought they were probably mostly used for that).

They were a way of transmitting information for money in a pre-Internet world for things like jokes, music, games, and fan club information.

Sadly, after testing them out, these numbers are no longer in service..

## How do we not run out of phone numbers?

With ten digits, assuming a non-zero first digit, you can have 9,000,000,000 phone numbers. The population of the US (2012) is 313.9 million, or 313,900,000. This means, given the current population, you have to give out about 29 numbers to each person to run out.

## What number does +44 replace?

164 notation a leading ‘0’ is removed. The UK mobile phone number ‘07911 123456’ in international format is ‘+44 7911 123456’, so without the first zero.

Yes, this is expected. An integer literal that starts with 0 is an octal number, much like a number starting with 0x is a hexadecimal number. Octal numbers can only contain the digits 0 to 7 , and this is why you get a compilation error. Integer literals that start with 0 are octal literals.

## Does country code replace 0?

When you call a number in a different country you must replace the first zero from the area code with the international call prefix and the country code. The international call prefix is normally 00 (zero zero) or + (plus).

Using 0 or 1 as the first digit of an area code or seven-digit local number is invalid, as is a 9 as the middle digit of an area code; these are trunk prefixes or reserved for North American Numbering Plan expansion.

## How do I enter a number starting with 0 in Excel?

1. Select the numbers you will start with zeros, right click, and select Format Cells from the context menu. 2. In the Format Cells dialog, under Number tab, please click to select Custom in the Category list box, type 0000########## into the Type box, and click the OK button.

## Which is the smallest number 0 or 1?

❇If you take the whole numbers , they start with zero . So the smallest one digit whole number is 0. ❇if you take the case of natural number they start with one . so the smallest natural number is 1.

## Why can’t I put a 0 in front of numbers in Excel?

When this is the case, you can force Excel to display placeholder 0 digits by applying a custom format as follows: Select the cell or range in question. Right-click the selected cell or range and choose Format Cells from the context menu. Click the Number tab.

## Why does 0 disappear Excel?

Why does the 0 disappear in Excel? So you’ve typed 00198 and Excel has completely ignored the 00 and only entered the 198 into the cell. This is because Excel sees the zeros as insignificant and as a result drops them. … So here’s how you can make sure the 0’s are included.

– A leading 0 or “(0)” is a way of showing that you have provided the full phone number in the national format. The 0 represents the national dialing prefix; the caller will know to omit the leading 0 if they are placing a local call.

## Is 0 A number Yes or no?

The number 0 is the smallest non-negative integer. The natural number following 0 is 1 and no natural number precedes 0. The number 0 may or may not be considered a natural number, but it is an integer, and hence a rational number and a real number (as well as an algebraic number and a complex number).

## What is a 0 phone number?

The “0” on every prefix is an Area Code Exit code that must be dialed when a number with a different area code is being called. So when calling from outside of Turkey those 0s are not dialed.

## What does +44 stand for?

UK”+44″ is the country code for UK but there are different ones for … +44″ is the country code for UK but there are different ones for different countries obviously and you don’t need to replace the +44 you can just add the number your dialling instead of placing the “0” just start with the next number.

## What is the 0 in UK phone numbers?

The United Kingdom adopts an open dialling plan for area codes within its public switched telephone network. Therefore, all area codes have a preceding “0” when dialling from within the United Kingdom. When dialling a UK number from abroad, the zero must be omitted.

## Does zero exist in nature?

Perhaps a true zero — meaning absolute nothingness — may have existed in the time before the Big Bang. But we can never know. Nevertheless, zero doesn’t have to exist to be useful. In fact, we can use the concept of zero to derive all the other numbers in the universe.

## How do they come up with phone numbers?

The area code is the identifier for a geographic region. The next grouping is the 3-digit prefix, which narrows the location of the phone number a little further. Finally, there is the line number. These are the last 4 digits of the phone number which directs a call to a specific phone line.

## Is +44 the same as 0?

44 is the country code for the UK. 0 is the long distance dialling code within the UK, from STD (subscriber Trunk Dialling) used to access the ‘long distance’ or trunk network. You don’t need it if dialling the UK from overseas as the call arrives already on the trunk network.

## Who invented the 0?

Brahmagupta”Zero and its operation are first defined by [Hindu astronomer and mathematician] Brahmagupta in 628,” said Gobets. He developed a symbol for zero: a dot underneath numbers.

## When using +44 do I drop the 0?

44 – the UK country code. 20 – the local London area code, dropping the first ‘0’ prefix as you’re calling from abroad.