Finland postcode area
FI 90
The FI 90 postcode zone is centred around Oulu. It represents 57 postcode-locality records in the source data.
Open on map FI90
REFERENCE CENTRE65.0137, 25.4779
The reference centre is calculated from available postcode locations and is not an official administrative boundary.
CountryFinland (FI)
Postcode prefix90
Reference localityOulu
Map queryFI90
Using FI 90 in logistics
Freight planners commonly use leading postcode characters to describe a broad collection or delivery area. The FI 90 prefix gives a quick geographic reference around Oulu, 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.