7, 10 and 11 digit dialling

Оne of the most popular number dialling types in the USA and Canada is 10 digit dialling, which represents itself a code of addressee’s location and directly the very number of the addressee.

Sometimes there is number 1 at the beginning of the set; this method is called 11 digit dialling. In this case number 1 is the code of the addressee’s country. 7 digit dialling is used in case if the addressee is situated by the same location code as the caller