Most reported 09XX numbers
80 numbers with prefix 09
What does the 09 prefix mean in France?
Numbers starting with 09 correspond to non-geographic fixed lines, mainly assigned to Internet (box) subscriptions from Free and Bouygues Telecom. These numbers are not tied to a specific geographic area, unlike the 01–05 landline ranges. They are often used by remote workers or businesses wanting a landline number independent of their location, and are common in corporate VoIP telephony systems.
Suspicious calls from a 09 number: what to do?
Receiving a call from an unknown 09 number does not necessarily mean it is dangerous — but it pays to stay vigilant. Best practices: do not call back an unknown number without identifying it first. Never share personal information, banking details, or passwords over the phone, regardless of what the caller claims. If the call seems suspicious (pressure tactics, urgency, requests for money, identity impersonation), hang up immediately. Report the number on TelCheck to help the community. If you have been a victim of fraud, file a report online at cybermalveillance.gouv.fr or directly with law enforcement.
Prefix 09 details
- Line type
- VoIP / Box
- Operator(s)
- Free, Bouygues
- Format
- 09X XX XX XX
Other prefixes