I have an important question. What are the best alternatives to temp number org? I need to receive an sms for a verification on one website.

The question is of utmost importance, indeed. Services like this are extremely difficult to find, the only way of finding a good one in fact is asking around just like you did. And I can help by sharing one that I use all the time. Here you can get the temporary phone number https://online-sms.org/

Thanks for the timely reply! I will check it out soon. So far it is on the top of my list.