| Code | Name | Region |
|---|---|---|
| ATGUK | Gunskirchen | |
| ATGUN | Guntramsdorf | |
| ATGUT | Gurten | 4 |
| ATGSS | Gussing | |
| ATGRT | Gramastetten | 4 |
| ATGRL | Gramatneusiedl | |
| ATB9G | Grambach | 6 |
| ATGNZ | Granz | |
| ATGKN | Gratkorn | |
| ATGTW | Gratwein | 6 |
| ATGRZ | Graz | 6 |
| ATGFS | Greifenstein | 3 |
| ATGRN | Grein | |
| ATGFT | Greinsfurth | 3 |
| ATGTN | Gresten | 3 |
| ATGMB | Gries Am Brenner | 7 |
| ATGIE | Grieskirchen | 4 |
| ATGRI | Griffen | |
| ATGZS | Grinzens | 7 |
| ATGBG | Grobming | 6 |
| ATGRR | Grobssklein | 6 |
| ATGRG | Grodig | 5 |
| ATGZR | Gross Gerungs | |
| ATGRU | Gross Sankt Florian | 6 |
| ATGMK | Gmund In Karnten | 2 |
| ATGDN | Gmunden | |
| ATGNA | Gnas | 6 |
| ATGNS | Gnesau | 2 |
| ATORF | Godersdorf | 2 |
| ATGS2 | Gofis | 8 |
| ATGOW | Goldworth | 4 |
| ATGAE | Golling An Der Erlauf | |
| ATGGS | Golling An Der Salzach | 5 |
| ATGOL | Gols | 1 |
| ATGRF | Gosdorf | 6 |
| ATGSG | Gosing | 3 |
| ATGOF | Gossendorf | 6 |
| ATGSB | Gottlesbrunn | 3 |
| ATGMA | Gottlesbrunn-arbesthal | 3 |
| ATGOT | Gotzendorf | 3 |
| ATGOE | Gotzis | 8 |
| ATGC5 | Grafenbach | 2 |
| ATGRA | Grafenstein | |
| ATGFW | Grafenworth | 3 |
| ATGAN | Garsten | |
| ATGSF | Gaspoltshofen | |
| ATGAS | Gastern | 3 |
| ATGTD | Gattendorf | 1 |
| ATDER | Gedersdorf | 3 |
| ATGNR | Geinberg |