Postcards by regions of Serbia
- unsortet (10)
- 00 Belgrade (79)
- 01 North Bačka (6)
- 02 Central Banat District (1)
- 03 North Banat (1)
- 04 South Banat (5)
- 06 South Bačka (11)
- 09 Kolubara (1)
- 10 Podunavlje County (6)
- 11 Braničevo (1)
- 12 Sumadija County (1)
- 13 Pomoravlje District (4)
- 14 Bor (2)
- 15 Zaječar (3)
- 16 Zlatibor (4)
- 17 Moravica District (1)
- 19 Rasina (1)
- 20 Nišava District (18)
- 24 Pcinja (1)
