I have a UK number and the amount of times SMS verification codes fail to appear is huge. There are companies specifically selling services for this that can’t

I have a UK number and the amount of times SMS verification codes fail to appear is huge. There are companies specifically selling services for this that can’t even send a SMS to a first world phone number. I haven’t used it for personal communication for years but I do not remember it being particularly reliable when I did. SMS from my perspective is absolute rubbish.