How long can an international phone number be?

15 digits
International numbering plan E. 164 permits a maximum length of 15 digits for the complete international phone number consisting of the country code, the national routing code (area code), and the subscriber number.

Are international phone numbers 10 digits?

International call prefix is 8~10 (or 8~CC when using alternative operators, where CC is 26-29, 56-59). The country code is +7. Length of geographical area codes (A) is usually 3 to 5 digits; length of non-geographical area codes is 3.

Why are phone numbers long?

Generally speaking, the major cities have the short area codes, while smaller cities and rural areas will have longer ones. So Hamburg is 040, Munich is 089, and so on. The actual telephone number itself minus the area code can also vary in length, depending on how many numbers were assigned to it within that area.

What does 011 in front of a phone number mean?

To call a phone in another country, dial 011, and then the code for the country you are calling, the area or city code, and the phone number. Call or check the web site of your service provider to find out the country code and the area/city code, or if your provider has different instructions for international calls.

Does +44 stand for 07?

What is the difference between 07 and +44 at the start of British numbers? The difference is simple. 07 is the prefix used when dialing a British number inside the UK, while +44 is what used when dialing a British number outside the UK. You might ask whether +44 and 07 are the same.

How do I convert my phone number to E 164?

Converting from local formats to E. 164

1. Remove any spaces, parenthesis or other punctuation.
2. If the number begins with a zero, remove the leading zero.
3. Prepend the country code.
4. Prepend a ”+”.

Why are phone numbers 10 numbers long?

1+10 dialing Eleven digits for toll calls became standard in all of North America by the end of 1994 to allow introduction of “interchangeable NPA codes”—area codes that did not have a 0 or 1 as the middle digit and could therefore be confused with the central office code—after January 1, 1995.

What’s the world’s longest number?

Googolplexian
The longest number with a name is the Googleplexian. A Googolplexian is a number with 10100 zeroes. Whilst larger numbers can be imagined, the Googolplexian is the largest number that could be found in the dictionary.

How do I call Mexico from USA T Mobile?

Call Mexico from the U.S.

1. Mobile numbers: Dial + > Dial 52 > Dial the ten-digit mobile number. ( some mobile numbers may require the two or three digit area code)
2. Landline numbers: Dial + > Dial 52 >Dial the two or three digit area code > Dial the 7 or 8 digit number.