How do I find where someone posted my phone number?

For over a year I have been recieving texts from strangers propositioning me, and tonight I had enough and asked the texter who gave them my number. They said my number is on a website listing escorts, but wouldn't give the link unless I "traded" a selfie. I did not do that. I've been googling and searching my number on other search engines and am only pulling up the usual phonebook type results. Does anyone know how I can I …

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