About NN1 3D
NN1 3D is a postcode group within the NN1 3 sector of the NN1 postcode district covering Northampton in West Northamptonshire. It contains 10 individual postcodes across 9 streets, forming part of the wider NN postcode area.
Postcodes in NN1 3D 10
The NN1 3D group contains 10 active postcodes. Each postcode identifies a specific delivery point used by Royal Mail and other services.
Location
Streets in NN1 3D 9
Other Groups in NN1 3
Browse other postcode groups within the NN1 3 sector.