The Area Codes of Slovenia:
The 10 most frequently searched cities / regions or area codes:
| City/Town or Region | Area code | |
|---|---|---|
| 1. | Celje, Trbovlje | 03 (+3863) |
| 2. | Koper, Postojna, Nova Gorica | 05 (+3865) |
| 3. | Kranj | 04 (+3864) |
| 4. | Ljubljana | 01 (+3861) |
| 5. | Maribor, Murska Sobota, Ravne na Koroškem | 02 (+3862) |
| 6. | Novo Mesto, Krško | 07 (+3867) |
| 7. | Telemach | 08 (+3868) |