| Abbreviation | Definition |
|---|---|
| CYZX | Greenwood Military Airport, Canada |
| CZA | Chichen Inza, Mexico |
| CZB | Cruz Alta, Rio Grande do Sul, Brazil |
| CZE | Coro, Venezuela |
| CZF | Cape Romanzof, Alaska USA |
| CZFA | Faro Airport, Canada |
| CZFM | Fort McPherson Airport, Canada |
| CZH | Corozal, Belize |
| CZJ | Corazon De Jesus, Panama Republic |
| CZK | Cascade Locks, Oregon USA |
| CZL | Constantine, Algeria |
| CZM | Cozumel, Mexico |
| CZN | Chisana, Alaska USA |
| CZNB | North Bay, Canada |
| CZO | Chistochina, Alaska USA |
| CZP | Cape Pole, Alaska USA |
| CZS | Cruzeiro Do Sul, AC, Brazil |
| CZT | Carrizo Springs, Texas USA |
| CZU | Corozal, Colombia |
| CZUE | Cape Parry Airport, Canada |