Https://freephonenum.com/ is one example, googling "single use phone numbers" (no quotes) yield others, but be careful: lots of "verify your phone number" sites are now disallowing these numbers for verification. Source: almost 2 years ago

Sites like https://freephonenum.com/ will give you a free number, but some websites now block numbers like that, including google voice numbers. Not sure if anyone's blocking numbers from paid providers such as twilio. Source: almost 2 years ago

I think I’ve used https://freephonenum.com but I don’t remember, you can try it out if you don’t mind the risk. Or you could get another phone, maybe a prepaid one for a month or something like that. Source: almost 2 years ago

I have been trying to do research into how these free SMS receiving & sending websites & apps actually have the virtual mobile numbers that they list & you can select for use & actually receive messages to from normal telco registered numbers. I am really interested in understanding how they access the service numbers. How they register them, so they work on the international sms network. I’m referring to... Source: almost 2 years ago

This method only works for people who have just been banned for the first time but what I did was go on the site https://freephonenum.com and add one of those numbers when wizz asks you to sign up. If you don’t get a code just keep trying the other numbers they offer until you see the code pop up. This actually worked for me the first time I got banned. doesn’t work again after that. Source: about 2 years ago

There is also web-products like this doing different versions: https://echowave.io/. Source: 7 months ago