https://intercom.help/grt-b90528abe28a/en/articles/10979839-official-whatsappnumber-what-does-klm-mean-on-whatsappBy youmobs / March 28, 2025 https://intercom.help/grt-b90528abe28a/en/articles/10979839-official-whatsappnumber-what-does-klm-mean-on-whatsapp