The Area Codes of Serbia:
| City/Town or Region | Area code | |
|---|---|---|
| 1. | Zaječar | 19 (+381 19) |
| 2. | Zaječar | 19 (+381 19) |
| 3. | Zrenjanin | 23 (+381 23) |
| 4. | Zrenjanin | 23 (+381 23) |
The Area Codes of Serbia:
| City/Town or Region | Area code | |
|---|---|---|
| 1. | Zaječar | 19 (+381 19) |
| 2. | Zaječar | 19 (+381 19) |
| 3. | Zrenjanin | 23 (+381 23) |
| 4. | Zrenjanin | 23 (+381 23) |