Hi all,<br><br>I've noticed that in my area (Croydon, S London) a lot of streets & POIs are identified by Nominatim with a nearby suburb of Croydon (Thornton Heath) rather than with Croydon town itself. The Nominatim/geocoding guys said this was due to nodes being used instead of areas, and suggested I create relations to identify the boundaries of the town and of its suburb(s). My question is: are there any guidelines on how such areas/relations should be defined? Political/admin boundaries don't really help. Is it a case of just using my instinct & local knowledge? Are there any good examples elsewhere?<br>
<br>My other (related) question is to do with postcodes. Some postboxes nearby have been tagged not only with "ref=xxx" (containing the first part of the postcode plus a reference no.) but also "postal_code=xxx" (again containing the first part of the postcode), meaning that, again, a lot of streets & POIs become identified by Nominatim with this postcode (e.g. <a href="http://www.openstreetmap.org/browse/node/363996567">http://www.openstreetmap.org/browse/node/363996567</a>). Should *all* postboxes be tagged with "postal_code" in this way? What about streets themselves? For streets, does the (first part of the) postcode need to be displayed on the street sign for this to be done?<br>
<br>Thanks,<br><br>David.<br>