And it's also valid for UK postcodes to be reused, e.g. following demolition of the original buildings, e.g. tower blocks, the postcode may be deactivated for a

And it's also valid for UK postcodes to be reused, e.g. following demolition of the original buildings, e.g. tower blocks, the postcode may be deactivated for a period of time, then reactivated when new buildings elsewhere need a new postcode.