| Abbreviation | Definition |
|---|---|
| ZKHH | Hamhung, North Korea |
| ZKKC | Kimchaek, North Korea |
| ZKL | Steenkool, Indonesia |
| ZKM | Sette Cama, Gabon |
| ZKP | Kasompe, Zambia |
| ZKPY | Pyongyang-Sunan, North Korea |
| ZKSR | Uama, North Korea |
| ZKUJ | Uiju, North Korea |
| ZLA | Los Angeles, California, Air Route Traffic Control Center USA |
| ZLAK | Ankang, China |
| ZLDH | Dunhuang, China |
| ZLG | El Gouera, Mauritania |
| ZLGM | Ganzhou, China |
| ZLGM | Golmud, China |
| ZLHZ | Hanzhong, China |
| ZLIC | Yinchuan, China |
| ZLJN | Jining, China |
| ZLJQ | Jiuquan, China |
| ZLJT | Jingtai, China |
| ZLKY | Xian-Xianyang, China |