| Code | Name | Region |
|---|---|---|
| JPKMU | Kamiura | 38 |
| JPKMY | Kamiyakunagata | 46 |
| JPKMO | Kamo | 6 |
| JPKSE | Kamoise | 42 |
| JPKYK | Kanayaki | 43 |
| JPKNZ | Kanazawa | 17 |
| JPKND | Kanda, Fukuoka | 40 |
| JPKGU | Kanegusuku | 47 |
| JPANI | Kani | 21 |
| JPKAZ | Kaizaki | 32 |
| JPKZA | Kaizuka | 27 |
| JPKJK | Kajiki | 46 |
| JPKKG | Kakamigahara | 21 |
| JPKGW | Kakegawa | 22 |
| JPKER | Kakeroma | 46 |
| JPKGA | Kakogawa | 28 |
| JPKMA | Kama | 35 |
| JPKAJ | Kama, Shimane | 32 |
| JPKME | Kamae | 44 |
| JPKGR | Kamagari | 34 |
| JPKGY | Kamagaya, Chiba | 12 |
| JPKIS | Kamaishi | 3 |
| JPAAK | Kamakura | 14 |
| JPKEE | Kameike | 47 |
| JPKEO | Kameoka | 26 |
| JPKAM | Kametoku | 46 |
| JPKJM | Kameura, Kumamoto | 43 |
| JPKMR | Kameura, Tokushima | 36 |
| JPKAY | Kameyama | 24 |
| JPJOS | Joso | |
| JPJOY | Joyo | 26 |
| JPKAB | Kabanoki | 43 |
| JPKBM | Kabashima | 42 |
| JPKAA | Kada | 30 |
| JPDNA | Kadena | 47 |
| JPKDW | Kadokawa | 45 |
| JPKDO | Kadokura | 46 |
| JPKDD | Kadoma | 27 |
| JPKBK | Kafuka | 1 |
| JPKAF | Kafuri | 40 |
| JPKGD | Kaga | 17 |
| JPKJG | Kaga, Shimane | 32 |
| JPKGM | Kagami | 43 |
| JPKGZ | Kagamino | 33 |
| JPKOJ | Kagoshima | 46 |
| JPSZQ | Kai | 19 |
| JPKGT | Kaigata | 46 |
| JPKAI | Kainan | 30 |
| JPKAD | Kaita | 34 |
| JPIDM | Iwayadomari | 46 |