| Country | Code | Calling Rate ($) | Calling Card Rate ($) | Local Tall Rate ($) |
| KANSAS | S14 | x | x | 0.14 |
| Kazakhstan | 992 | 0.25 | 0.70 | x |
| NENTUCKY | S15 | x | x | 0.12 |
| Kenya | 254 | 0.89 | 0.89 | x |
| Kiribati | 686 | 1.08 | 1.08 | x |
| Korea, North | 238 | 0.94 | 0.94 | x |
| Korea, South | 82 | 0.10 | 0.26 | x |
| Kuwait | 965 | 1.00 | 1.01 | x |
| Kyrgyzstan | 996 | 0.35 | 0.75 | x |
| Country | Code | Calling Rate ($) | Calling Card Rate ($) | Local Tall Rate ($) |