Gjennomsnittlig GPS-koordinater for postnummer 3900: 43.627, 22.684
Notering byer:
>> Белоградчик / Belogradchik 3900, Видин / Vidin, Белоградчик / Belogradchik, GPS-koordinater: 43.6272,22.6836
Notering byer:
>> Белоградчик / Belogradchik 3900, Видин / Vidin, Белоградчик / Belogradchik, GPS-koordinater: 43.6272,22.6836