Discourse categorisation is a complex problem, and even in the general definition of register given above (language variation defined by use not user), there are cases where other kinds of language variation, such as regional or age dialect, overlap.
There is no area code 523 in North America (USA, Canada, etc.). It  is unassigned.    International telephone country code +52 is Mexico, and a number  beginning with â¦ +52 3 is a landline in the western part of the  country; for example, a number beginning with +52 33 is a landline  in Guadalajara.here is no area code 529 in Mexico. It is unassigned.    However, Mexico uses international telephone country code +52, and  area codes beginning with 9 are in the so â¦ uthernmost part of the  country. For example, the area code for the city of Oaxaca is 951.
In 1953 area code 613, along with area code 416, was split to form area code 519. In 1957 area code 613, along with area code 519, was split to form area code 705.On 05/17/2010 Area code 343 was implemented as an area code overlay of area code 613. Ten-digit dialing is required in area code 613.n 1953 area code 613, along with area code 416, was split to form area code 519. In 1957 area code 613, along with area code 519, was split to form area code 705.