| Abbreviation | Definition |
|---|---|
| IZM | Izmir, Turkey |
| IZO | Izumo, Japan |
| IZT | Ixtepec, Mexico |
| JAB | Jabiru, Northern Territory, Australia |
| JAC | Jackson Hole, Wyoming USA |
| JAD | Jandakot, Western Australia, Australia |
| JAF | Jaffna, Sri Lanka |
| JAG | Jacobabad, Pakistan |
| JAH | Aubagne, France |
| JAI | Jaipur, Indonesia |
| JAL | Jalapa, Mexico |
| JAN | Jackson, Mississippi USA |
| JAO | Beaver Run Airport, Atlanta, Georgia |
| JAPN | Utsunomiya, Japan |
| JAQ | Jacquinot Bay, Papua New Guinea |
| JAS | Jasper, Texas |
| JAT | Jabot, Marshall Islands |
| JAU | Jauja, Peru |
| JAV | Ilulissat, Jakobshavn, Greenland |
| JAX | Jacksonville International Airport, Jacksonville, Florida USA |