Burner protects your privacy by creating a new, disposable phone number, and forwarding calls through it as a proxy for your real number. That way, your real phone number—increasingly used as a primary identifier and security tool online—is never exposed to people, companies, or risks you aren't comfortable with.
We are currently available in the United States, Canada, and Australia, with US/CA phone numbers. International numbers are not available, but we are looking into them. Some people use it long-term as a business line and other people use it short-term for internet transactions and things of that nature.