About HA1 3X
HA1 3X is a postcode group within the HA1 3 sector of the HA1 postcode district covering Harrow, North Harrow, Northwick Park in Harrow. It contains 3 individual postcodes across 2 streets, forming part of the wider HA postcode area.
Postcodes in HA1 3X 3
The HA1 3X group contains 3 active postcodes. Each postcode identifies a specific delivery point used by Royal Mail and other services.
Location
Streets in HA1 3X 2
Other Groups in HA1 3
Browse other postcode groups within the HA1 3 sector.