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  2. Geocode - Wikipedia

    en.wikipedia.org/wiki/Geocode

    The 21 top-level 2-digit "region" of hydrologic unit boundaries, using the HUC geocode conventions. Strictly speaking, the "name" related to a geocode is a toponym , and the table (e.g. toponym to standard code) is the resource for toponym resolution : is the relationship process , usually effectuated by a software agent, between a toponym and ...

  3. Open Location Code - Wikipedia

    en.wikipedia.org/wiki/Open_Location_Code

    The Open Location Code (OLC) is a geocode based on a system of regular grids for identifying an area anywhere on the Earth. [1] It was developed at Google's Zürich engineering office, [2] and released late October 2014. [3] Location codes created by the OLC system are referred to as "plus codes".

  4. Geohash - Wikipedia

    en.wikipedia.org/wiki/Geohash

    Geohash is a public domain geocode system invented in 2008 by Gustavo Niemeyer [2] which encodes a geographic location into a short string of letters and digits. Similar ideas were introduced by G.M. Morton in 1966. [ 3 ]

  5. List of FIPS country codes - Wikipedia

    en.wikipedia.org/wiki/List_of_FIPS_country_codes

    This is a list of FIPS 10-4 country codes for Countries, Dependencies, Areas of Special Sovereignty, and Their Principal Administrative Divisions.. The two-letter country codes were used by the US government for geographical data processing in many publications, such as the CIA World Factbook.

  6. World Geographic Reference System - Wikipedia

    en.wikipedia.org/wiki/World_geographic_reference...

    The World Geographic Reference System (GEOREF) is a geocode, a grid-based method of specifying locations on the surface of the Earth.GEOREF is essentially based on the geographic system of latitude and longitude, but using a simpler and more flexible notation.

  7. Military Grid Reference System - Wikipedia

    en.wikipedia.org/wiki/Military_Grid_Reference_System

    The intersection of a UTM zone and a latitude band is (normally) a 6° × 8° polygon called a grid zone, whose designation in MGRS is formed by the zone number (one or two digits – the number for zones 1 to 9 is just a single digit, according to the example in DMA TM 8358.1, Section 3-2, [1] Figure 7), followed by the latitude band letter ...

  8. Unique Property Reference Number - Wikipedia

    en.wikipedia.org/wiki/Unique_Property_Reference...

    The Unique Property Reference Number (UPRN) is a unique number (a geocode) for every addressable location—e.g., a building, a bus stop, a post box, a feature in the landscape, or a defibrillator—in Great Britain. [1] Over 42 million locations have UPRNs, which can be found in Ordnance Survey's AddressBase databases. [1]

  9. Global Area Reference System - Wikipedia

    en.wikipedia.org/wiki/Global_Area_Reference_System

    The graphical representation of a 15-minute quadrant with numbered 5-minute by 5-minute areas resembles a telephone keypad. Each 5-minute by 5-minute area, or keypad “key” is identified by a seven-character designation. The first six characters comprise the 15-minute quadrant designation. The seventh character is the keypad “key” number.