WhatsApp number

example, the United States number 123–4567 in area code 408 would be written as 14081234567. ( 1 is the country code ). Make sure to remove any leading 0’s or any special calling codes.

As we are using WhatsApp API the prefix + sign is also not needed to add.

Don’t add any spaces , + sign.


for more information —  https://faq.whatsapp.com/en/general/21016748