Specifics of sending messages to numbers of different countries
Features of sending and receiving messages to numbers of different countries
Mexico numbers
All Mexican numbers must have a "1" inserted between the country code "52" and the area code (same for Nextel operator). The code "11" at the beginning must be deleted.
As a result, the phone number will include 13 digits: +52 1 XXX XXX XXX XXXX.
Initial phone number +52 56 3969 1841
Required number for sending messages 5215639691841@s.whatsapp.net
Argentina numbers
In all Argentine telephone numbers, the number 9 must be inserted between the country code "54" and the area code. The code "15" at the beginning must be deleted. This will result in a phone number with 13 digits: +54 9 XXX XXX XXX XXXX.
Initial phone number +54 11 5874 9895
Required number for sending messages 5491158749895@s.whatsapp.net
Brazil numbers
In some regions of Brazil, a digit 9 is added to the phone number, between the local phone number and the Brazilian area code. List of area codes to which the digit 9 must be added: 11-19, 21, 22, 24, 27, 28. For Brazilian numbers with other area codes, it is necessary to remove the digit 9.
As a result, the phone number may include 12 or 13 digits +55 21 (9) XXXX XXXX, where 55 is the country code, 21 is the area code, XXXX XXXX is the local phone number.
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