Postal codes were introduced in Danetia in 1975 as part of a broader modernization effort of the postal system. The codes consist of four digits, and are used to facilitate the sorting and delivery of mail across the country.
As our editorial note discloses, Danetia is a fictional country. It consists of four provinces, which in real life belong to Romania and Bulgaria:
As such, the Danetian system is derived from the real life postal codes of Romania and Bulgaria. The following table summarizes how to translate between the two systems.
| Danetian | Romanian | Bulgarian |
|---|---|---|
| 0xxx | 820xxx | — |
| 1xxx | 825xxx | — |
| 2xxx | 827xxx | — |
| 3xxx | 900xxx | — |
| 4xxx | 905xxx | — |
| 5xxx | 906xxx | — |
| 6xxx | 907xxx | — |
| 75xx | — | 75xx |
| 76xx | — | 76xx |
| 91xx | — | 91xx |
| 93xx | — | 93xx |
| 94xx | — | 94xx |
| 95xx | — | 95xx |
| 96xx | — | 96xx |