| Code | Name | Region |
|---|---|---|
| FRYLO | Cloyes-sur-le-loir | 28 |
| FRU6I | Cluis | 36 |
| FRCUY | Cluny | 71 |
| FRCLU | Cluses | 74 |
| FROBO | Cleebourg | 67 |
| FREFM | Clefmont | 52 |
| FRCG7 | Cleguer | 56 |
| FRGCW | Cleguerec | 56 |
| FRCYK | Clenay | 21 |
| FRCLE | Cleon | 76 |
| FRCLN | Cleon-d'andran | 26 |
| FRCLC | Clerac | 17 |
| FRLTM | Clere | 49 |
| FRQCS | Cleres | 76 |
| FRRRX | Clerieux | 26 |
| FRC37 | Clerlande | 63 |
| FRCGI | Clermont | 60 |
| FRCCR | Clermont-creans | 72 |
| FRC3A | Clermont-en-argonne | 55 |
| FRCFE | Clermont-ferrand | 63 |
| FRCF2 | Clermont-le-fort | 31 |
| FRCFM | Clermont-les-fermes | 2 |
| FRCLH | Clermont-l'herault | 34 |
| FRL9G | Clermont-soubiran | 47 |
| FRVEY | Clairvaux-d'aveyron | 12 |
| FRCCS | Clairvaux-les-lacs | 39 |
| FRZZ9 | Claix | 16 |
| FRCWX | Claix | 38 |
| FRCLA | Clamart | 92 |
| FRCCY | Clamecy | 58 |
| FROQY | Clamerey | 21 |
| FRCCW | Clans | 6 |
| FRC6S | Clansayes | 26 |
| FRHHC | Clapiers | 34 |
| FRC8R | Clarac | 31 |
| FRCSK | Clarensac | 30 |
| FRCLK | Claret | 34 |
| FRC2Q | Clarques | 62 |
| FRC59 | Clary | 59 |
| FRC2D | Claudon | 88 |
| FRYOY | Claye-souilly | 77 |
| FRYZC | Clazay | 79 |
| FRCD6 | Cleden-poher | 29 |
| FR29F | Cleder | 29 |
| FRCSG | Ciry-salsogne | 2 |
| FRCCD | Cissac-medoc | 33 |
| FRCIK | Cisse | 86 |
| FRCI5 | Citerne | 80 |
| FRC9T | Citers | 70 |
| FRITY | Citry | 77 |