List of geocoding systems

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This is a list of geocoding systems, in the sense of schemes that assign systematic labels to geographic entities.

This is not a list of software systems that can perform geocoding in the sense of turning a geographic name into a latitude and longitude.

Some of these code systems are free for use, others have different licences.

Administrative[edit]

Codes with only partial coverture of the globe, mainlly for "administrative regions", like countries or biomes.

General use:

Airport codes:

Internet codes: IANA country codes similar to ISO 3166-1 alpha-2

Sport codes: IOC country codes, area, worldwide

Environment codes: Longhurst code, a set of four-letter codes used in ecological geography

National standards[edit]

Geodesy[edit]

Summarized from Discrete Global Grid

Popular or in "official use":

Old or "low use":

  • C-squares - compact encoding of geographic coordinate bounds (latitude-longitude)
  • Geotude, converts latitude and longitude to a single string
  • Munich Orientation Convention, converts lat/lon to metrical monopolar codes for targets, crossings, stations, stop points, bridges, tunnels, towns, islands, volcanoes, highway exits etc. [2]

Telephony & radio broadcasting[edit]

Postal address[edit]

Mapping not geodesy[edit]

References[edit]