The Area Codes of Austria:
| City/Town or Region | Area code | |
|---|---|---|
| 1. | Übelbach | 3125 (+43 3125) |
| 2. | Ulrichsberg | 7288 (+43 7288) |
| 3. | Umhausen | 5255 (+43 5255) |
| 4. | Unken | 6589 (+43 6589) |
| 5. | Unter-Meisling | 2717 (+43 2717) |
| 6. | Unterach am Attersee | 7665 (+43 7665) |
| 7. | Untergurgl | 5256 (+43 5256) |
| 8. | Unterlaussa | 3631 (+43 3631) |
| 9. | Untertauern | 6455 (+43 6455) |
| 10. | Unterweißenbach | 7956 (+43 7956) |
| 11. | Unzmarkt | 3583 (+43 3583) |
| 12. | Uttendorf | 6563 (+43 6563) |