These numbers are usually not premium in the 1-900 sense of the word. It's more like they are international numbers and there are various intermediaries who wo

These numbers are usually not premium in the 1-900 sense of the word. It's more like they are international numbers and there are various intermediaries who work with mobile/landline operators in a bunch of countries to set up these kind of numbers and split the revenue from incoming calls/texts if they can deliver lots of minutes to them. One way of doing so is by getting a bunch of 2fa texts sent.