Tag:boundary=postal_code

boundary = 
Description
A postal code boundary Show/edit corresponding data item.
Group: boundaries
Used on these elements
should not be used on nodesshould not be used on waysshould not be used on areasmay be used on relations
Useful combination
See also
Status: de facto
More details at taginfo
Tools for this tag

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This tag page is a stub. You can help OpenStreetMap by expanding it.
Similar pages for structural reference: Tag:railway=tram, Tag:waterway=dock.

boundary= is used to specify a dedicated type=boundary area with a consistent national postcode.

This tag should not be used in countries where a postal code does not represent a precise area (for example, in the United States). It also may not be verifiable in many countries.

How to map

Using a relation, add these tags: 

 type=boundary
 boundary=
 postal_code=*

This kind of postal mapping is widely used at least in Germany and Belgium.

Possible Tagging Mistakes

  • addr:postcode=* ‒ addr:postcode is used on buildings and nodes as part to indicate the address. A relation to outline the postal code boundary should use postal_code=* instead
If you know places with this tag, verify if it could be tagged with another tag.
Automated edits are strongly discouraged unless you really know what you are doing!

See also

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