Phone numbers are seven digits long in some countries but differing lengths in others. It purely depends upon what number of phone numbers the country needs .
This question is vague and doesn't really specify what is required. American Express is a large corporation and has a presence in many countries worldwide. The company would have phone numbers for all the entities in these countries and would also have phone numbers for different business streams e.g.Credit Cards, Travelers Checks etc.
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Phone numbers that start with the numbers 800 are toll free numbers. Toll free phone numbers are numbers that have no cost to the person calling the 800 number.
Please check the related links for a full list of International Calling/Dialing Codes.
Phone companies assign phone numbers arbitrarily; there is no formula.
"WikiAnswers does not publish phone numbers"
In most countries, telephone numbers are assigned in blocks to telephone companies, which then give out the numbers to their customers. A number is "allocated" if it is in a block that has been assigned to a telephone company.
They do not have phone numbers listed but can be reached through emails General information: information@laptop.org Information on specific countries: countries@laptop.org See: http://wiki.laptop.org/go/Communication_channels for their published communication media.
It is a violation of privacy to give out personal phone numbers. These include home and cell phone numbers.
There is no country that never uses the number 6.
100 phone numbers