News, tips and guides about SMS, anonymity and protecting your phone number from scams, spam calls and unwanted contacts.
Can you receive a reply to an anonymous text without revealing your number? The four possible return channels, what the recipient sees, and the limits to know about, verified in October 2026.
How to use dual SIM or an eSIM to text from a second number without exposing your main line: Android and iPhone settings, what the recipient still sees, and the legal limits.
Can you send a text message from a landline or a router without the recipient seeing your number? What Orange, SFR, Bouygues Telecom and Free actually allow, and what stays visible.
When travelling, hiding your number for a text or a call doesn't work the way it does at home: the #31# prefix, the +33 country code, blocked gateways and local regulations. What actually works, and what gives you away.
You're receiving texts from an unknown or hidden number: here's how to preserve, date and present those messages so they hold up with the police and before a judge in France.
A 5-digit short code, an unknown mobile number, a sender name in letters: here is what the "From:" line of an anonymous text message really means, and what it can (or cannot) help you trace.
