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Other geocodes:
* ''S2'': a geocoding scheme using [[spherical geometry]] and the space-filling [[Hilbert curve]], developed at [[Google]]<ref>{{Cite web|url=http://s2geometry.io/about/overview|title=Overview|website=s2geometry.io|language=en|access-date=2018-05-11}}</ref><ref>{{Cite web|url=https://medium.com/sidewalk-talk/s2-cells-and-space-filling-curves-keys-to-building-better-digital-map-tools-for-cities-a312aa5e2f59|title=S2 cells and space-filling curves: Keys to building better digital map tools for cities|last=Kreiss|first=Sven|date=2016-07-27|website=Medium|access-date=2018-05-11}}</ref>
* ''H3'': Hexagonal Hierarchical Spatial Index a geocoding scheme initally developed at uber <ref>{{Cite web|url=https://www.uber.com/blog/h3/|title=Uber Blog announcing h3|website=uber.com|language=en|access-date=2023-02-08}}</ref> source code available <ref>{{Cite web|url=https://github.com/uber/h3|title=h3 open source code|website=github.com|language=en|access-date=2023-02-08}}</ref> and documented at h3geo <ref>{{Cite web|url=https://h3geo.org|title=h3 documentation|website=h3geo.org|language=en|access-date=2023-02-08}}</ref>
* ''Munich Orientation Convention'': converts lat/lon to metrical monopolar codes for targets, crossings, stations, stop points, bridges, tunnels, towns, islands, volcanoes, highway exits etc.<ref>[https://gssc.esa.int/navipedia/index.php/Step_By_Step_Navigation|Navipedia / ESA]{{dead link|date=December 2017 |bot=InternetArchiveBot |fix-attempted=yes }}</ref>
* ''SALB'' (Second Administrative Level Boundaries), by UN [https://www.unsalb.org/]
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