| Code | Name | Region |
|---|---|---|
| FRCNR | Connerre | 72 |
| FRNN5 | Connigis | 2 |
| FRCQW | Conques | 12 |
| FRCSO | Conques-sur-orbiel | 11 |
| FRCDI | Cons-la-grandville | 54 |
| FRCUA | Contamine-sur-arve | 74 |
| FRCJS | Contes | 6 |
| FRQT9 | Contes | 62 |
| FRCT7 | Conthil | 57 |
| FRC2T | Continvoir | 37 |
| FR8C8 | Contoire | 80 |
| FRONT | Contres | 41 |
| FRCRX | Contrexeville | 88 |
| FRWNS | Contrisson | 55 |
| FR2RJ | Conde-sur-l'escaut | 59 |
| FRC9M | Conde-sur-marne | 51 |
| FRCOH | Conde-sur-sarthe | 61 |
| FRDPP | Conde-sur-suippe | 2 |
| FRC2V | Conde-sur-vesgre | 78 |
| FRCOV | Conde-sur-vire | 50 |
| FR4CD | Condette | 62 |
| FRCOD | Condom | 32 |
| FRODN | Condren | 2 |
| FRCNU | Condrieu | 69 |
| FRCON | Conflandey | 70 |
| FRCEJ | Conflans-en-jarnisy | 54 |
| FRCSH | Conflans-sainte-honorine | 78 |
| FRC7L | Conflans-sur-lanterne | 70 |
| FRFN5 | Conflans-sur-seine | 51 |
| FRCFL | Confolens | 16 |
| FRCTF | Confort | 1 |
| FRC6W | Congenies | 30 |
| FROWG | Congis | 77 |
| FRRWY | Congrier | 53 |
| FRG77 | Comps | 30 |
| FREZX | Comps | 33 |
| FROPA | Comps-sur-artuby | 83 |
| FROOA | Conan | 41 |
| FRCOC | Concarneau | 29 |
| FROHO | Conches-en-ouche | 27 |
| FRC7N | Conchez-de-bearn | 64 |
| FRXTP | Conchil-le-temple | 62 |
| FRLKZ | Concoeur-et-corboin | 21 |
| FRFG6 | Concoret | 56 |
| FRM49 | Concourson-sur-layon | 49 |
| FRCOQ | Condal | 71 |
| FRDCU | Condat-sur-trincou | 24 |
| FRVZ6 | Condat-sur-vezere | 24 |
| FRCDV | Condat-sur-vienne | 87 |
| FRCE7 | Condeau | 61 |