On 18/05/14 15:33, Tom Hughes wrote:

It's quite normal, yes. My street has three postcodes. One covers both
sides for about one third of the length and the other two each cover one
side for the other two thirds.

Postcodes are part of an address and belong to a building, not a street,
so that is where they should be tagged.

Since the postcode is designed to assist with nothing more than postal sorting, some of these facits are to be expected. The postman will walk down one side, turn around at the end and walk down the other side, so the three ( or more ) postcodes will be in order of the walk :)

Postcodes belong to the walk, so are essentially sections of a street normally, in addition to being tagged by delivery points in PAF ... Postal Address File. House identifier + postcode is all that is needed to provide a full address, and in this case, the street and other location data can be provided by tags on a street rather than duplicating that data unnecessarily on every building ...

--
Lester Caine - G8HFL
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