Profile
| Postal Code | 3900 |
| Postal Code Name | Belogradchik |
| Province | Vidin Province |
| Municipality | Belogradchik |
| Timezone | Eastern European Summer Time (EEST) |
| Adjacent Postal Codes | 3912 3914 3915 3916 3940 3945 3952 3955 |
| Postal Code | 3900 |
| Postal Code Name | Belogradchik |
| Province | Vidin Province |
| Municipality | Belogradchik |
| Timezone | Eastern European Summer Time (EEST) |
| Adjacent Postal Codes | 3912 3914 3915 3916 3940 3945 3952 3955 |