XK 31
The XK 31 postcode zone is centred around Istog. It represents 3 postcode-locality records in the source data.
The reference centre is calculated from available postcode locations and is not an official administrative boundary.
Using XK 31 in logistics
Freight planners commonly use leading postcode characters to describe a broad collection or delivery area. The XK 31 prefix gives a quick geographic reference around Istog, 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.
Places associated with XK 31
These examples show complete postcodes and localities grouped into the broad XK 31 reference zone. Coverage is illustrative rather than an official or exhaustive delivery list.
Reference data: GeoNames postal code files. Reviewed 19 August 2026.