How many phone numbers can exist?
N acts as any digit 2-9 and X is any digit 0-9. Each area code has 792 prefixes or "NXX" codes. Each NXX has 10,000 possible numbers. Therefore, theoretically, there are 7,920,000 telephone numbers per area code.
New U.S. government reports estimate that the United States, Canada, Guam, Bermuda and Trinidad will run out of 10-digit numbers by the year 2025. "You remember Y2K?
We won't run out of numbers. Old phone numbers that are no longer in use,Will eventually be recycled back in to use again.
It is an open numbering plan, however, imposing a maximum length of 15 digits to telephone numbers. The standard defines a country calling code (country code) for each state or region which is prefixed to each national telephone number for international destination routing.
"The world's most expensive phone number was auctioned for charity yesterday in Qatar. The number, 666 6666, sold for 10m Qatari riyals or £1.5m," says The Register. "The previous record holder was Chinese number 8888 8888, which sold for £270,000.
The number is now written as 1-212-736-5000. According to the hotel's website, PEnnsylvania 6-5000 is New York's oldest continually assigned telephone number and possibly the oldest continuously-assigned number in the world.
Technically, there could be as many as 10 10 = 10 , 000 , 000 , 000 , or 10 billion possible phone numbers in the U.S. However, there are certain restrictions placed on phone numbers that we haven't taken into account.
During the 1950s, cities still using five or six-digit numbers converted to the new method of seven-digit dialing. Typically, several six-digit (2L-4N) exchanges were co-located in one building already, with new ones added as old ones had filled up.
Yes, in addition to providing you with the requested number, 411 Search can also connect to a number you'd like to call.
The sequence of natural numbers never ends, and is infinite. OK, 1/3 is a finite number (it is not infinite). There's no reason why the 3s should ever stop: they repeat infinitely. So, when we see a number like "0.999..." (i.e. a decimal number with an infinite series of 9s), there is no end to the number of 9s.
Can we survive without numbers?
Math is needed at every step of life, and we cannot live without it.
In the United States cellular market, AT&T announced its withdrawal of 4-1-1 service for its wireless phone customers, effective November 1, 2022. AT&T also announced it will discontinue landline 4-1-1 services in 21 states starting January 1, 2023.
There is no 'largest' whole number. Every whole number has an immediate predecessor, except 0. A decimal number or a fraction that falls between two whole numbers is not a whole number.
In the US, all numbers ending with 0000 used to be reserved to ring at the CO. So, if you were out in the field and needed to call the CO for a 312–743-???? number, you could get the CO just by dialing 743–0000. This ended a while ago and it made the 0000 numbers available for ordinary folks.
Area code 666 is not assigned. Each block of 10,000 numbers is assigned to one carrier only; number portability or number pooling is not practiced. A carrier offering multiple, different non-geographic services may request separate prefixes for each.
+1 – United States, including United States territories: +1 340 – United States Virgin Islands. +1 670 – Northern Mariana Islands.
Dialling “0” before the mobile phone number was a practice followed for outstation mobile numbers before the government allowed inter-circle mobile number portability, which effectively meant that there was no trunk dialling when it came to mobile numbers and all numbers were considered local.
Carriers use a ghost number as a temporary placeholder when you are porting in a number from another carrier. It is a real number, just temporary.
555-1212 is still used for directory assistance and 555-4334 is reserved for assigned national use. But a set of 100 555 numbers have been officially designated for use in Hollywood, 555-0100 through 555-0199.
It's probably the most famous phone number in American pop culture. And with only 335 area codes in the U.S., not many people share it, or would want it. We caught up with the Lynn Haven woman who owns the number in the 850, and no, her name is not Jenny! 867-5309, Tommy Tutone made it famous in 1981.
Is there a space in phone numbers?
For fixed line and mobile phone numbers, a dash is written in between the area/mobile code and the subscriber number, with an optional space before the last four digits of the subscriber number.
“1,” of course, is the country code for the United States.
The numbers one and zero aren't used to start an area code. Under current projections, the remaining supply of unused area codes is large enough to satisfy demand until after 2039, according to Ron Conners, director of the North American Numbering Plan Administration (NANPA).
When calling a Mexican mobile phone or landline from the U.S. or Canada you must enter the "+" sign when using a mobile phone, then the country code for Mexico, which is 52, and then the 10-digit phone number including area code. Dialing from a mobile phone: +52 xx xxxx-xxxx.
Before the 1950s the coin-phone charge throughout the country typically was five cents. In the early '50s, it climbed to 10 cents in most areas as the Bell System asked for and won rate increases.
Using 0 or 1 as the first digit of an area code or central office code 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.
The NRC provides a Telephone Talking Clock service; voice announcements of Eastern Time are made every 10 seconds, followed by a tone indicating the exact time. This service is available to the general public by dialing +1 613 745-1576 for English service and +1 613 745-9426 for French service.
You still can. Millions of Americans grew up calling a local telephone number to find out the time and temperature — and, believe it or not, a fair number of folks still do.
411—Directory assistance* 511—Traffic information. 611—Phone company repair* 711—TDD and Relay for the Deaf.
| Name | The Number | Symbol |
|---|---|---|
| quintillion | 1,000,000,000,000,000,000 | E |
| quadrillion | 1,000,000,000,000,000 | P |
| Very Small ! | ||
| quadrillionth | 0.000 000 000 000 001 | f |
What is the longest number ever made?
A Googolplex is considered to be the biggest number in the world. It is written as 10googol. The number 10googol can also be expressed in the exponential format that will equal 1010^100.
There is no number before infinity. It is possible to represent infinity minus one as a mathematical expression, but it does not actually equal anything or have any real mathematical value.
Zero is the most important number in mathematics. Zero functions as a placeholder. Imagine a number, e.g., 5 and put as many zeroes behind it as you can think of. Zero drastically changes the value of the number from a mere 5 to 50, 500, 5000, 50000 and beyond.
The set of real numbers (numbers that live on the number line) is the first example of a set that is larger than the set of natural numbers—it is 'uncountably infinite'. There is more than one 'infinity'—in fact, there are infinitely-many infinities, each one larger than before!
In the absence of numbers, nothing can be measured. People won't be able to tell if they have too much or too less. There would be very limited concept of listing things. People would have to list things in relation to other things which would not only be tedious but also inaccurate.
There are three types of “operators” as well: local telephone, long-distance, and information. They are reached by different dialing codes: local operators are reached by “0”, long distance by “00” and information by “411”.
Most phone companies allow you to access directory assistance service by dialing “411.” Other directory assistance services require a different dialing pattern such as 555-1212, a toll free number or a number that starts with “10-10.” Charges will vary significantly, check the rate before using any directory assistance ...
The exchange names did more than provide a phone number. They identified the area of the city where you lived. And, if you have ever wondered why telephones have letter designations it is a leftover from the days of alphanumeric phone numbers, when people needed to know which letters were covered by which numbers.
A googol is 10 to the 100th power, which is 1 followed by 100 zeros. While this is an unimaginably large number, there's still an infinite quantity of larger numbers. One such number is googolplex, which is 10 to the power of a googol, or 1 followed by a googol of zeros.
Answer: Solution 3: The smallest whole number is "0" (ZERO).
What is the largest number is infinite?
There is no biggest, last number … except infinity. Except infinity isn't a number. But some infinities are literally bigger than others.
To withhold your number on individual calls, just dial 141 before the telephone number you want to call.
A pop-up will appear. Tap Hide number. Your phone number is now hidden from caller ID when you make outbound calls.
The standard American telephone number is ten digits, such as (555) 555-1234. The first three digits are the "area code," which, in the past, indicated in what part of the country the phone was located.
Use 'chunks' of digits to help people read telephone numbers
Landlines – 2 digits for the area code followed by 8 digits for the rest of the telephone number. Mobiles – 10 digits (there is no area code).
According to DoT guidelines, an individual mobile subscriber can register up to nine mobile connections in his or her name.
There are infinite counting numbers and this is in infinite value numbers, Therefore, which makes impossible to tell exact numbers as these are uncountable.
Seven-digit dialing remains possible in some areas of North America. Traditionally, calling from one area code to another, specifically for long-distance calls, requires the caller to dial the trunk digit "1" before the code and number.
Technically, there could be as many as 10 10 = 10 , 000 , 000 , 000 , or 10 billion possible phone numbers in the U.S. However, there are certain restrictions placed on phone numbers that we haven't taken into account.
It's probably the most famous phone number in American pop culture. And with only 335 area codes in the U.S., not many people share it, or would want it. We caught up with the Lynn Haven woman who owns the number in the 850, and no, her name is not Jenny! 867-5309, Tommy Tutone made it famous in 1981.
Does the 411 number still exist?
Yes, in addition to providing you with the requested number, 411 Search can also connect to a number you'd like to call.
If you give your cell phone number to a stranger, you could be placed on a robocall list. These are automated calling systems that make it easy for scammers and telemarketers to place hundreds or even thousands of calls at once. You may start receiving unwanted sales calls or even scam calls on a regular basis.
The law bans names that contain “obscenity, numerals, symbols, or a combination of letters, numerals, or symbols…”, but naming a child after a mass murderer is A-OK. In most cases, the United States is pretty relaxed about what you can name your child when it comes to the stigma or meaning a name may carry.
No, The same number cannot be issued to two people at the same time. If one person does not use the number for more than 3 months the number will automatically be cancelled and then it will be issued to another person. A few years back it was one year then they made it 6 months, now it is 3 months.
There is no biggest, last number … except infinity. Except infinity isn't a number.
A "googol" is the number 1 followed by 100 zeroes. The biggest number with a name is a "googolplex," which is the number 1 followed by a googol zeroes.
Zillion sounds like an actual number because of its similarity to billion, million, and trillion, and it is modeled on these real numerical values. However, like its cousin jillion, zillion is an informal way to talk about a number that's enormous but indefinite.
The largest seven digit number is 9999999.
Smallest 7-digit number= 1 + Greatest 6-digit number = 1 + 9,99,999 = 10,00,000. Hence, the smallest 7-digit number is 10,00,000.
However, in 1987, after a child had accumulated a bill of $17,000, the California Public Utilities Commission subsequently required phone companies to give customers the option of preventing the dialing of 900/976 numbers.