| Code | Name | Region |
|---|---|---|
| ATWDR | Walpersdorf | 3 |
| ATWAL | Wals | |
| ATWLS | Wals-siezenheim | 5 |
| ATWPD | Wampersdorf | 3 |
| ATWNG | Wang | 3 |
| ATWAN | Wannersdorf | 6 |
| ATWRT | Wartberg | 6 |
| ATWAR | Warth | |
| ATWTN | Wattens | |
| ATWEB | Webersdorf | 5 |
| ATTWR | Weer | 7 |
| ATWEG | Weigelsdorf | 3 |
| ATWGR | Weigersdorf | 4 |
| ATWAS | Weikersdorf Am Steinfelde | 3 |
| ATWBH | Weilbach | 4 |
| ATVTS | Vitis | 3 |
| ATVOC | Vocklabruck | |
| ATVOK | Vocklamarkt | 4 |
| ATVTB | Voitsberg | |
| ATVOT | Volkermarkt | 2 |
| ATVOE | Vols | |
| ATVMP | Vomp | |
| ATVCO | Vorchdorf | 4 |
| ATERM | Vordernberg | 6 |
| ATVOF | Vosendorf | |
| ATVDS | Vosendorf Sud | 3 |
| ATWON | Wagna | 6 |
| ATWAI | Waidhofen An Der Thaya | |
| ATWAF | Waidhofen An Der Ybbs | |
| ATWZK | Waizenkirchen | 4 |
| ATWCE | Walchsee | |
| ATWCH | Waldbach | 6 |
| ATWBF | Waldburg Bei Freistadt | 4 |
| ATWDG | Waldegg | 3 |
| ATWAK | Waldkirchen Am Wesen | 4 |
| ATUTK | Untermarkersdorf | 3 |
| ATUBG | Unternberg | |
| ATUPS | Unterpremstatten | 6 |
| ATURB | Unterradlberg | |
| ATUTB | Unterretzbach | 3 |
| ATUNN | Untersiebenbrunn | 3 |
| ATUWF | Unterweitersdorf | 4 |
| ATUNZ | Unzmarkt | |
| ATURF | Urfahr | 4 |
| ATUTD | Uttendorf | |
| ATUTZ | Utzenaich | 4 |
| ATVAS | Vasoldsberg | 1 |
| ATVTH | Veitsch | 6 |
| ATVEL | Velden | 2 |
| ATVLM | Velm | 3 |