Slovenia postcode area
SI 66
The SI 66 postcode zone is centred around Koper. It represents 1 postcode-locality records in the source data.
Open on map SI66
REFERENCE CENTRE45.5469, 13.7294
The reference centre is calculated from available postcode locations and is not an official administrative boundary.
CountrySlovenia (SI)
Postcode prefix66
Reference localityKoper
Map querySI66
Using SI 66 in logistics
Freight planners commonly use leading postcode characters to describe a broad collection or delivery area. The SI 66 prefix gives a quick geographic reference around Koper, while the interactive map helps teams compare it with other European regions.
Always confirm the complete postcode, street and delivery address before pricing, routing or dispatching a vehicle. Prefix zones are planning references and may not follow administrative boundaries.