smsanonyme

// FAQ

Which numbers can I write to?

The lines the gateway accepts, and why some aren't allowed.

All questions
In short

To all French mobiles starting with 06 or 07, whatever the carrier (Orange, SFR, Bouygues, Free…), always with your number hidden.

The service reaches French mobiles, meaning ten-digit numbers starting with 06 or 07. The form checks this format before sending.

The answer in detail

06 and 07 correspond to French mobile lines, the only ones able to receive an SMS from the gateway. A landline (01 to 05) or a special number isn't eligible: those lines don't pick up SMS the same way.

The format check is instant: a mistyped number, one that's too short or outside 06/07, is rejected before it even leaves, which avoids a lost send.

For foreign mobiles, the gateway doesn't handle international delivery: the scope stays national. It's a reliability choice, since a foreign SMS travels through different routes and rules.

Real-world examples

  • ›A 07 mobile

    07 12 34 56 78 is a valid format: the send is accepted.

  • ›A landline

    01 45 xx xx xx is rejected: a landline doesn't receive this type of SMS.

Key takeaway

French mobiles starting with 06 or 07 only; no landlines, no foreign numbers.

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Related questions

All questions
01Can I send to a landline or abroad?The delivery scope, and the reason for these boundaries.02Can the recipient block my messages?The recipient stays in control: they can filter the sender.03How do I know if my SMS was received?Send accepted and actual receipt: two different things.

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