GRC Data Intelligence
Expertise in Global Data
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Address encoding systems
Compiled by Graham Rhind. If you have any comments, corrections or
suggestions for additions, please send a message.
Encoded addressing systems are addressing systems based on codes which point
to a location, an existing postal address, or a latitude/longitude
Download Graham Rhind’s free white paper: “Address encoding versus traditional
addressing - the state of play” (October 2018) here
3Geonames - a code pointing to a 1m square. Explanation here
Addressinghomes (in English) - Address codes based on latitude/longitude
Advanced Mobile Location - a system, based on mobile telephony, for pinpointing a location in
AsaaseGPS (in English, Spanish and French) - The international versions of Ghana’s GhanaGPS
Bayupayu (in English) - 16-digit location codes each representing a 1.61 x 1.61 metre square
CubicPostcode (in English) - A system which splits the planet 1x1x1 metre cubes which are
identifiable using a 22 digit (!) code.
edress (in English) - a personal address code that can be moved to new addresses
[Defunct?] Exaactly/UBReg (in English) - Another personal address code that can be moved to new
Geohash - A public domain geocoding system
Geohashphrase - A phrase system which matches to a geohash.
GifDirect - (in English - [Defunct?]) - Take a video of the route to a delivery point and share with a
Google Open Location Code (in English)
Locus Plus (in English) - provides the Open Location Code for a user’s current location using
the NATO spelling alphabet.
GridCode (in English) - A 9 character representation of the latitude/longitude, which can be created
only by being at that location
Locpin (in English - [Defunct?]) - a code one can attach to one’s address. e-mail address,
telephone number etc.
Maidenhead Locator System - a geographic co-ordinate system
Mapcodes (in English - [Defunct?]) - location codes unique by country
Mapstags (in English) - a system which links an existing address to a word of your choice
MastaMap (in English) - location encoding and phone tracking
Munich Orientation Convention - A code based on cardinal point directions from a city centre
Natural Area Coding (NAC) (in English) - A nine digit code to represent any point or shape on the
Naviaddress (in English) [Defunct?] - numeric location codes based on existing address, vanity
numbers or other algorithm
Placekey (in English) - a code for every inhabited point, including a POI code if relevant, and based
on Uber’s H3 hexagonal grid system
Pointaddress (in English) - a personal address code that can be moved to new addresses. Includes
a country code.
Pointcode (in English) - A self-defined temporary locational code
Posttude (in English) - [Defunct?] numerical location codes based on geographical co-ordinates
qCode (in English) - a postal address geocode.
Ship2MyID (in English) - Allows deliveries to locations without an address using latitude/longitude
Munich Orientation Convention (in English) - A code based on compass orientation from a central
Vayapin - a 7-character code (also marketed as Citocode)
What3words (in English) - identify a 9 square metre patch of the earth using only three words
And some parody sites:
[Defunct] What3Fucks (not work safe!)
Four King Maps (not work safe!) - a parody of What3Words providing four offensive words for
squares in UK and Ireland only.
What3RudeWords - A Twitter feed demonstrating that many real What3Word combinations
result in unfortunate combinations, such as biting.pillow.hard and steamy.backdoor.action.
What 3 Words is a mess - a collection of resources illustrating the fundamental problems with
the What3Words coding system
WhereWords (in English) - identify a 2x2 square metre patch of the earth using only four
hierarchically linked words.
XAddress (in English) - turns a location into a code containing a number and two words.
GhanaGPS - the locational “postal code” of Ghana Post
Snoocode (in English) - A positional code used in Ghana
Addressing the Unaddressed project - using Google’s Open Localtion Codes (and previously the
Gocode (see Ireland))
Bhugol ID (in English) - a Digital location code for India, based on existing postal address.
Digital Door Number (DDN) - a code encompassing state, location, street name and building -
linked to Zippr?
MapMyIndia (in English) - A locational code system used in India
Zippr (in English) - A locational code system used in India, based on existing postal address
Eircode - (in English) - information site about Ireland’s postal code system
Gocode (in English) - a digital location code for Ireland, also used for the Addressing the
Loc8code - (in English) - alternative Irish postal code system
OpenPostcodeIreland - (in English) - alternative Irish postal code system
Mpost - Kenyan location code based on mobile phone location
OkHi (in English) - A digital address linked to map co-ordinates and a photo of a building’s front
Nima Codes (in English and French) - System linking an address to a telephone number through a
photograph of a building’s front door.
United Arab Emirates
Makani - (in English & Arabic) - Dubai’s positional addressing system
Onwani - (in English & Arabic) - Abu Dhabi’s positional addressing system
OS Locate - (in English) - Location app based on Ordnance Survey data. Also works without a
VPostcode - (in Vietnamese) - Vietnam Post’s positional addressing system
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