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.
Dial 011-52 plus the 800 number. The country code for Mexico is 52, and 011 is the calling code to dial anywhere outside of the U.S. The call may or may not go through. International long distance charges apply.ctivate the phone card and dial the toll free number using the 011-52 system. Time is deducted with each call, and there's no guarantee of a successful connection. Check with the Mexican company or business to see if it has either a U.S. phone number or a local Mexican phone number.