The Area Codes of Austria:
| City/Town or Region | Area code | |
|---|---|---|
| 1. | Idolsberg | 2731 (+43 2731) |
| 2. | Ilz | 3385 (+43 3385) |
| 3. | Imst | 5412 (+43 5412) |
| 4. | Innerkrems | 4736 (+43 4736) |
| 5. | Innermanzing | 2774 (+43 2774) |
| 6. | Innsbruck | 512 (+43 512) |
| 7. | Irnfritz | 2986 (+43 2986) |
| 8. | Ischgl | 5444 (+43 5444) |