| Code | Name | Region |
|---|---|---|
| ATVIC | Vichtenstein | 4 |
| ATVEH | Viehdorf | 3 |
| ATVDD | Vienna Danubepier Hov | |
| ATVLH | Villach | |
| ATTDF | Tresdorf | 3 |
| ATTRW | Tribuswinkel | |
| ATTBE | Trieben | |
| ATCH8 | Trofaiach | 6 |
| ATTRU | Trumau | 3 |
| ATTUL | Tulbing | 3 |
| ATTLN | Tulln | 3 |
| ATTLH | Tumeltsham | 4 |
| ATTUE | Turnitz | |
| ATTWG | Twimberg | 2 |
| ATUBA | Ubelbach | 6 |
| ATUDE | Uderns | |
| ATULF | Ulmerfeld | |
| ATUGN | Ungenach | 4 |
| ATUNG | Ungerdorf | 6 |
| ATUNK | Unken | 5 |
| ATUNA | Unterach | |
| ATUBE | Unterbergen | 2 |
| ATUFN | Unterfladnitz | 6 |
| ATULB | Unterloiben | |
| ATTHF | Theresienfeld | 3 |
| ATTYN | Theyern | 3 |
| ATTSN | Thomasberg | 3 |
| ATTOL | Thorl | 6 |
| ATTHN | Thuringen | 8 |
| ATTLL | Tillmitsch | 6 |
| ATTMA | Timelkam | 4 |
| ATTIR | Tirol | 6 |
| ATTBG | Traberg | 4 |
| ATTRH | Traboch | 6 |
| ATTRA | Tragwein | 4 |
| ATTIS | Traisen | 3 |
| ATTSK | Traiskirchen | |
| ATTMR | Traismauer | |
| ATTNQ | Traun | 4 |
| ATTDW | Trausdorf An Der Wulka | |
| ATTK2 | Treffelsdorf | 2 |
| ATTFN | Treffen | |
| ATTBH | Treibach | |
| ATTPV | Treibach Althofen | 2 |
| ATSUL | Sulz | 8 |
| ATTKI | Taiskirchen Im Innskreis | 4 |
| ATTAM | Tamsweg | 5 |
| ATTAT | Tattendorf | 3 |
| ATTKP | Taufkirchen An Der Pram | |
| ATTEF | Teesdorf | 3 |