Google Voice is a free, flexible communication service that offers calling, texting, and voicemail. But what if you don’t have a cell phone number? Can you still use Google Voice? Yes, you can—and in this guide, we’ll walk you through all the possible ways to set up Google Voice without linking a mobile number, especially useful for international users, privacy-focused individuals, or people who just want a second line. Let’s dive into how to use Google Voice without a phone number in 2025.