Strangely that is not the information on Winred. I have used winred for years. I alter my phone and mark donation request emails as spam. Easy peasy.
“How We May Use It: To improve voter modeling or scoring; to provide our Platform and services; to provide political communications; to improve our products and services; to understand your interests; to respond to your requests or questions; to communicate with you; for marketing purposes; for security purposes; to combine information; as otherwise permitted by you or as we may notify you; or as directed by you.
How We May Disclose It: Internally; on our Platform; with page creators, political committees and campaigns; with our business partners; with our service providers; with third parties for marketing purposes; with any successors to all or part of our business; to comply with campaign finance laws; to comply with other laws or to protect ourselves; for other reasons we may describe to you; or as directed by you.
We may share this information for cross-contextual marketing purposes with, or sell this information to, our business partners.”
I do the same, but that bears repeating....DON'T USE YOUR REAL PHONE NUMBER! Otherwise, you'll get inundated with spam texts.