United Kingdom postcode area
GB 03
The GB 03 postcode zone is centred around London. It represents 1,048 postcode-locality records in the source data.
Open on map GB03
REFERENCE CENTRE52.0649, -2.4493
The reference centre is calculated from available postcode locations and is not an official administrative boundary.
CountryUnited Kingdom (GB)
Postcode prefix03
Reference localityLondon
Map queryGB03
Using GB 03 in logistics
Freight planners commonly use leading postcode characters to describe a broad collection or delivery area. The GB 03 prefix gives a quick geographic reference around London, 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.