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.


Airport codes[edit]



Telephony & radio broadcasting[edit]

Postal address[edit]

  • Postal codes, area, worldwide, country-codes by UPU, free
  • NAC, area codes (area can be indefinitely small)
  • NUTS area code, partially administrative, worldwide: countries, Europe : country to community
  • OpenPostcode, opensource global algorithm (local adaptations as Irish & Hong Kong postcodes).[4]
  • Munich Orientation Convention

Mapping not geodesy[edit]