| Cabo Verde | +238 |
| Camboya | +855 |
| Camerún | +237 |
| Canadá | +1 |
| Islas Caimán | +1345 |
| República de África Central | +236 |
| Chad | +235 |
| Chile | +56 |
| Chile | +56 |
| China | +86 |
| Isla de Pascua | +672 |
| Isla de Pascua | +61 |
| Islas Cocos | +672 |
| Islas Cocos | +61 |
| Colombia | +57 |
| Comoras | +269 |
| Islas Cook | +682 |
| Costa Rica | +506 |
| Croacia | +385 |
| Cuba | +53 |
| Curazao | +5999 |
| Chipre | +357 |
| Chipre | +90 |
| Czechia | +420 |
| Czechia | +42 |