| A | N |
| B | O |
| C | P |
| D | Q |
| E | R |
| F | S |
| G | T |
| H | U |
| I | V |
| J | W |
| K | X |
| L | Y |
| M | Z |
| Country | Cent/Min (US) | Cent/Min (Euro) |
| Cambodia Mobile | 4.6 | 3.2 |
| Cambodia Landline | 9.0 | 7.1 |
| Cameroon Mobile | 31.4 | 22.8 |
| Cameroon Landline | 17.1 | 13.3 |
| Cameroon Spacemob | 68.3 | 46.8 |
| Canada Mobile | 0.7 | 0.5 |
| Canada Landline | 0.7 | 0.5 |
| Cape Verde Mobile | 35.4 | 25.7 |
| Cape Verde Landline | 35.4 | 25.7 |
| Cayman Islands Mobile | 22.4 | 16.2 |
| Cayman Islands Landline | 22.4 | 16.2 |
| Central African Republic Mobile | 27.1 | 18.6 |
| Central African Republic Landline | 27.1 | 18.6 |
| Chad Mobile | 28.3 | 19.4 |
| Chad Landline | 34.4 | 25.0 |
| Chile Mobile | 8.5 | 5.8 |
| Chile Landline | 2.8 | 1.9 |
| China Mobile | 1.2 | 0.9 |
| China Landline | 1.2 | 0.9 |
| Colombia Mobile | 44.5 | 8.2 |
| Colombia Landline | 5.4 | 3.9 |
| Congo Mobile | 44.5 | 32.3 |
| Congo Landline | 44.6 | 32.3 |
| Cook Islands Mobile | 84.4 | 61.2 |
| Cook Islands Landline | 84.4 | 61.2 |
| Costa Rica Mobile | 6.4 | 4.7 |
| Costa Rica Landline | 3.7 | 2.5 |
| Croatia Mobile | 37.9 | 27.4 |
| Croatia Landline | 2.0 | 1.4 |
| Cuba Mobile | 101.9 | 69.8 |
| Cuba Landline | 101.9 | 69.8 |
| Cyprus Mobile | 4.2 | 2.9 |
| Cyprus Landline | 3.4 | 2.6 |
| Czech Republic Mobile | 10.1 | 6.9 |
| Czech Republic Landline | 3.2 | 2.4 |