| Code | Name | Region |
|---|---|---|
| FRESN | Conde-en-normandie | 14 |
| FRQNF | Conde-folie | 80 |
| FRBHH | Conde-sur-huisne | 61 |
| FRXTO | Conde-sur-iton | 27 |
| FRCBU | Combourg | 35 |
| FROBL | Combourtille | 35 |
| FRCO9 | Combree | 49 |
| FRCBK | Combres | 28 |
| FRPJ2 | Combres-sous-les-cotes | 55 |
| FRC36 | Combrit | 29 |
| FRJCO | Combronde | 63 |
| FRCLV | Combs-la-ville | 77 |
| FRCMN | Comines | 59 |
| FRCWN | Commana | 29 |
| FRC4L | Commenailles | 39 |
| FRCMM | Commentry | 3 |
| FRMMQ | Commequiers | 85 |
| FRCMY | Commercy | 55 |
| FRQPL | Communay | 69 |
| FROPS | Compans | 77 |
| FRC5X | Compertrix | 51 |
| FR2PY | Compeyre | 12 |
| FRCMP | Compiegne | 60 |
| FRCG6 | Compreignac | 87 |
| FRCBO | Colombelles | 14 |
| FRCLB | Colombes | 92 |
| FRYUX | Colombey Les Deux Eglises | 52 |
| FRCYB | Colombey-les-belles | 54 |
| FRMJY | Colombier | 24 |
| FRMHQ | Colombier-chatelot | 25 |
| FRB6B | Colombier-en-brionnais | 71 |
| FRBFE | Colombier-fontaine | 25 |
| FRVXJ | Colombier-le-vieux | 7 |
| FRQYV | Colombiers | 34 |
| FROBA | Colombier-saugnieu | 69 |
| FRCOO | Colomiers | 31 |
| FRR2C | Colondannes | 23 |
| FR8CV | Coltainville | 28 |
| FRRZW | Combaillaux | 34 |
| FRJMQ | Combertault | 21 |
| FROMB | Combes | 34 |
| FRCOM | Comblanchien | 21 |
| FRCX6 | Combloux | 74 |
| FRCKB | Combon | 27 |
| FRAYR | Colayrac | 47 |
| FRX99 | Colayrac-saint-cirq | 47 |
| FRC9Y | Coligny | 1 |
| FRNAP | Collan | 89 |
| FRCEG | Collegien | 77 |
| FRMGO | Colleville-montgomery | 14 |