The Area Codes of Serbia:
The 10 most frequently searched cities / regions or area codes:
| City/Town or Region | Area code | |
|---|---|---|
| 1. | Belgrade | 11 (+381 11) |
| 2. | Belgrade | 11 (+381 11) |
| 3. | Bor | 30 (+381 30) |
| 4. | Bor | 30 (+381 30) |
| 5. | Čačak | 32 (+381 32) |
| 6. | Čačak | 32 (+381 32) |
| 7. | Jagodina | 35 (+381 35) |
| 8. | Jagodina | 35 (+381 35) |
| 9. | Kikinda | 230 (+381 230) |
| 10. | Kikinda | 230 (+381 230) |