Ireland postcode area
IE 23
The IE 23 postcode zone is centred around Castlebar. It represents 5 postcode-locality records in the source data.
Open on map IE23
REFERENCE CENTRE53.3850, -8.4702
The reference centre is calculated from available postcode locations and is not an official administrative boundary.
CountryIreland (IE)
Postcode prefix23
Reference localityCastlebar
Map queryIE23
Using IE 23 in logistics
Freight planners commonly use leading postcode characters to describe a broad collection or delivery area. The IE 23 prefix gives a quick geographic reference around Castlebar, 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.