| Abbreviation | Definition |
|---|---|
| OABG | Baghlan, Afghanistan |
| OABG | Bamiyan, Afghanistan |
| OABK | Bandkamalkhan, Afghanistan |
| OABR | Bamar, Afghanistan |
| OABS | Sarday, Afghanistan |
| OABT | Bost, Afghanistan |
| OACB | Charburjak, Afghanistan |
| OACC | Chakcharan, Afghanistan |
| OADO | Dawlatabad, Afghanistan |
| OADV | Devar, Afghanistan |
| OADW | Wazakhwa, Afghanistan |
| OADZ | Darwaz, Afghanistan |
| OAEK | Keshim, Afghanistan |
| OAEM | Eshkashem, Afghanistan |
| OAEQ | Islam Qala, Afghanistan |
| OAFG | Khost-o-Fering, Afghanistan |
| OAFZ | Faizabad, Afghanistan |
| OAFZ | Farah, Afghanistan |
| OAG | Orange, New South Wales, Australia |
| OAGA | Ghaziabad, Afghanistan |