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.
There is no area code 525 in North America (USA, Canada, etc.). It is unassigned. Telephone country code +52 is Mexico, and numbers beginning with +52 5 are landlines in or near Mexico City. (The plus sign means insert your international access prefix here..78 is one of the codes used in Atlanta, Georgia.   678 is a telephone area code assigned to metropolitan Atlanta,  Georgia and its suburbs and exurbs. This area code was â¦ first  assigned to customers signing up for new telephone service on  January 15, 1998.