How did every country agree to be numbered?

Why country calling codes make no sense. Use my code LUKE5 for $5 off with eSIM io: https://go1.esim.io/Lltr/lukeosullivan2 Watch more of this series: https://youtube.com/playlist?list=PLDft76-0Qb78jLOZQqEalSgh1oT8B58iv&si=v2OllqFGKHADlWWm and more: https://youtube.com/playlist?list=PLDft76-0Qb7_Ck4BViVd_CjDGJHlwD58T&si=QCap6IQxD8NfGMm8 https://youtube.com/playlist?list=PLDft76-0Qb78jltTNnVQ-RTmK-u-dxjpp&si=e1n4GXVjLnphpzcM Hi, my name's Luke. I answer questions nobody asked and find things that make me say 'pretty mad, that.' Based on the map by Maximilian Dörrbecker: https://en.wikipedia.org/wiki/File:Country_calling_codes_map.svg Stock photo credits: Windows phone: https://commons.wikimedia.org/wiki/File:Windows_Phone.jpg Building icon: Buildings icons created by Freepik - Flaticon https://www.flaticon.com/free-icons/buildings Thumbnail arrow: Abstract Vectors by Vecteezy https://www.vecteezy.com/free-vector/abstract