| Code | Name | Region |
|---|---|---|
| FRCEO | Cenon | 33 |
| FRC4V | Cenon-sur-vienne | 86 |
| FRWCY | Censerey | 21 |
| FRCN5 | Centuri | 2B |
| FRCAY | Cayeux-sur-mer | 80 |
| FR8CU | Caylus | 82 |
| FRCZS | Cazals | 46 |
| FRCZ5 | Cazats | 33 |
| FRCZC | Cazaubon | 32 |
| FRUAQ | Cazaugitat | 33 |
| FRCZX | Cazaux | 33 |
| FRC9Z | Cazedarnes | 34 |
| FRZUV | Cazeneuve | 32 |
| FRVH9 | Cazeres | 31 |
| FRC8L | Cazeres-sur-l'adour | 40 |
| FRZMD | Cazes-mondenard | 82 |
| FRZVU | Cazevieille | 34 |
| FRHAQ | Cazilhac | 11 |
| FRHZ7 | Cazilhac | 34 |
| FRZLC | Cazillac | 46 |
| FRCZ9 | Cazouls-d'herault | 34 |
| FRZBZ | Cazouls-les-beziers | 34 |
| FRCXG | Ceaux-d'allegre | 43 |
| FRCD3 | Caupenne-d'armagnac | 32 |
| FRCWL | Caurel | 51 |
| FRRQA | Cauro | 2A |
| FRCKI | Cauroir | 59 |
| FRYOR | Cauroy-les-hermonville | 51 |
| FRCUS | Caussade | 82 |
| FRQAZ | Causse-de-la-selle | 34 |
| FRYVQ | Causses-et-veyran | 34 |
| FRUSL | Caussiniojouls | 34 |
| FRUIO | Cauvicourt | 14 |
| FRGYV | Cauvigny | 60 |
| FRZCG | Cauville | 14 |
| FRXXC | Caux | 34 |
| FRCAV | Cavaillon | 84 |
| FRCVJ | Cavalaire-sur-mer | 83 |
| FRCVQ | Cavan | 22 |
| FRC7C | Caveirac | 30 |
| FRC33 | Caves | 11 |
| FRCGG | Cavignac | 33 |
| FRGRQ | Cavillargues | 30 |
| FRCUK | Catus | 46 |
| FRTUT | Catus | 46 |
| FRCQC | Caucalieres | 81 |
| FRYCT | Cauchy-a-la-tour | 62 |
| FRCUD | Caudan | 56 |
| FRCEC | Caudebec-en-caux | 76 |
| FRCEF | Caudebec-les-elbeuf | 76 |