Editing Geocode (section)

=== Historical or less widely used ===

{|class="wikitable"|
!Geocode!!Inception!!Scope!!Coverage!!Formation!!Ownership!!Rep. entity!!Context and description
|-
|[[Hierarchical administrative subdivision codes|HASC]] || ? || general || nations and subdivs. || Name abbreviation || free || polygon
|Administrative divisions. HASC stands "Hierarchical Administrative Subdivision Codes".

|-
|[[Universal Transverse Mercator coordinate system#UTM zone|UTM Zone]] || ? || general || ? || ? || free || grid cell
| ?

|-
|[[Universal Transverse Mercator coordinate system#Notation|UTM Grid Zones]] || ? || general || ? || ? || free || grid cell
| based on UTM Zones, and Latitude bands of [[Military Grid Reference System|MGRS]]..

|-
|[[World Meteorological Organization squares|WMO squares]] || ~2005? || Meteorology || globe || grid || free || grid cell
| ... replaced by modern DGGS's ...

|-
|[[C-squares]] || 2002 || general || globe || ? || free || grid cell
| compact encoding of geographic coordinate bounds (latitude-longitude). Uses ''WMO squares'' as starting point for hierarchical subdivision.

|-
|[[World Geographic Reference System|GEOREF]]  || ? || general || ? || ? || free || polygon
| World Geographic Reference System, a military / air navigation coordinate system for point and area identification
|-
|[[Global Area Reference System|GARS]] || ~2007?  || general || ? || ? || free || polygon
| reference system developed by the National Geospatial-Intelligence Agency (NGA)

|-
|[[Military Grid Reference System|MGRS]] || ~1960s || general || ? || ? || free || grid cell
| Military Grid Reference System. Derived from UTM and UPS grids by NATO with a unique naming convention.

|}