What exactly does 'USSD' mean and how does it work?
It stands for Unstructured Supplementary Service Data, a menu-based system you reach by dialling a short code, then tapping through options on screen. No app or internet needed at any point.
Can I rely on the Mauritania codes listed on this page?
Yes, each code is matched against the provider's own official channel before we publish it, we don't just copy whatever list is circulating online.
Will this work without a data plan?
It will. USSD travels over the same channel as ordinary calls and SMS, completely separate from mobile data, so even a phone with zero data works fine.
Is there any cost involved in dialling these?
Mostly free or nearly free, aside from a possible small session fee your network might charge. The exact figure depends on your specific bank or provider.
How current is the information on this page?
We revisit Mauritania's listings regularly, updating codes that change and marking providers that have shut down, merged, or dropped USSD entirely.
I don't see my provider here, is that normal?
For now, yes, our Mauritania directory is still growing. Reach out to the provider directly if you need their code before we've added it.
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