The Area Codes of Mauritania:
The 10 most frequently searched cities / regions or area codes:
| City/Town or Region | Area code | |
|---|---|---|
| 1. | Aîoun | 4515 (+222 4515) |
| 2. | Aleg | 4537 (+222 4537) |
| 3. | Atar | 4546 (+222 4546) |
| 4. | Boghé | 4550 (+222 4550) |
| 5. | Kaédi | 4533 (+222 4533) |
| 6. | Kiffa | 4563 (+222 4563) |
| 7. | Néma | 4513 (+222 4513) |
| 8. | Nouadhibou | 4574 (+222 4574) |
| 9. | Nouakchott | 45 (+222 45) |
| 10. | Rosso, Tidjikja | 4569 (+222 4569) |