If it comes from the North American Numbering Plan, then it must always have those first 3-digits just to make the receiver know the geographical area the caller is calling from.  As we’ve mentioned several times in this article, the 844 area code is the major area code that countries under the North American Numbering Plan make use of. However, there are countries that use a different area code and sometimes can vary from 1 digit up to even 5 digits! There are times that even different places inside a particular country will have area codes of different lengths.