| Code | Name | Region |
|---|---|---|
| MROUZ | Zouerat | |
| MRTIN | Tintane | 2 |
| MRMBR | Mbout | |
| MRTMD | Timbedra | |
| MRTIY | Tidjikja | |
| MRTHI | Tichitt | |
| MRTHT | Tamchakett | |
| MRSEY | Selibaby | |
| MRROS | Rosso | |
| MRPCE | Point Central | |
| MRNKC | Nouakchott | |
| MRNDB | Nouadhibou | |
| MREMN | Nema | |
| MRMOM | Moudjeria | |
| MRKBI | Kobenni | 2 |
| MRKFA | Kiffa | |
| MRKED | Kaedi | |
| MRFGD | Fderik | |
| MRZLG | El Gouera | |
| MRCGT | Chinguitti | |
| MROTL | Boutilimit | |
| MRBGH | Boghe | |
| MR | ||
| MRBSK | Bassiknou | 1 |
| MRATR | Atar | |
| MRLEG | Aleg | |
| MRAJJ | Akjoujt | |
| MRAEO | Aioun El Atrouss |