| Code | Name | Region |
|---|---|---|
| FRCN7 | Calignac | 47 |
| FRGNW | Caligny | 61 |
| FRCFA | Callac | 22 |
| FRUTM | Cabasse | 83 |
| FRCTB | Cabestany | 66 |
| FRDIB | Cabidos | 64 |
| FRCAW | Cabourg | 14 |
| FRHHH | Cabrerolles | 34 |
| FRCB8 | Cabrieres | 30 |
| FREIU | Cabrieres | 34 |
| FRWON | Cabrieres-d'avignon | 84 |
| FRCBX | Cabries | 13 |
| FRHAN | Cachan | 94 |
| FRWUN | Cadalen | 81 |
| FRWCR | Cadarsac | 33 |
| FRCJC | Cadaujac | 33 |
| FRCDK | Caden | 56 |
| FRCDN | Cadenet | 84 |
| FRRAU | Caderousse | 84 |
| FRFRD | Cadillac | 33 |
| FRCFD | Cadillac-en-fronsadais | 33 |
| FRCD4 | Cadolive | 13 |
| FRCFR | Caen | 14 |
| FRYSB | Bussy-saint-martin | 77 |
| FRD8D | Buthiers | 70 |
| FRUYO | Butry-sur-oise | 95 |
| FRBKT | Butten | 68 |
| FR2NZ | Buxerolles | 86 |
| FRXEU | Buxeuil | 10 |
| FRR6X | Buxeuil | 36 |
| FRBXM | Buxieres-les-mines | 3 |
| FRBXE | Buxieres-sur-arce | 10 |
| FRBUX | Buxy | 71 |
| FRBZC | Buzancais | 36 |
| FRUZF | Buzancy | 8 |
| FRZUI | Buzet-sur-baise | 47 |
| FRB9T | Buzet-sur-tarn | 31 |
| FRBXZ | Buzignargues | 34 |
| FRBZX | Buzy | 55 |
| FRCQH | Cabanac | 65 |
| FRNQV | Cabanac-et-villagrains | 33 |
| FRCAB | Cabannes | 13 |
| FRBT8 | Cabariot | 17 |
| FRUTU | Burlats | 81 |
| FRBL5 | Burlioncourt | 57 |
| FRBHP | Burnhaupt-le-bas | 68 |
| FRBPH | Burnhaupt-le-haut | 68 |
| FRB9E | Burs-en-othe | 89 |
| FRBU2 | Bury | 60 |
| FRUGY | Busigny | 59 |