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.
Dialing to Mexico Land Lines from the U.S. or Canada. The Country Code for Mexico is 52. To dial Mexico you follow the normal international dialing procedures. International Code 011 and Country Code 52 and-Prefix and Phone Number. For example, to dial Baja Joes Hotel, you would dial 011-52-612-114-0001.66 numbers Dial 001-883-then the number. 877 numbers Dial 001-882-then the number. 888 numbers Dial 001-881-then the number. For example, to call Wells Fargo's customer service FROM Mexico we change the number. from 1-800-869-3557 to 001- 880 -869-3557 and to dial Blue Shield FROM Mexico we change the number.