Grid Point Code
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Sydney

New South WalesAustralia

Grid Point Code for Sydney
With a code
#6LK4X-N3N7M
Said aloud
Sydney N3N7M

Get the code for your door

What the code says

The Grid Point Code for Sydney is #6LK4X-N3N7M. It names a cell 2.56 m north to south and 2.84 m east to west, centred on 33°52'04.24"S, 151°12'26.38"E, and it turns back into that cell on any phone or computer by arithmetic alone: no network, no account, no lookup table.

The point used is the one GeoNames records for Sydney, near its centre.

Code
#6LK4X-N3N7M
With a check character
#6LK4X-N3N7M*X
Short form
N3N7M
Cell centre
-33.867844, 151.207327
Cell size
2.56 m by 2.84 m
Region
New South Wales
Country
Australia
Population
5,638,830

How to give this address

On a sign, a form or a delivery note

The whole code, #6LK4X-N3N7M. It needs nothing else: no city, no street, no network to read it back.

Said aloud, in New South Wales

Sydney N3N7M: a name both people know, then the last five characters. They give back the exact code for anywhere within 4.0 km north or south and 4.4 km east or west of Sydney. Further away the same five name somewhere else, which is why the whole code is what goes on a sign.

Copied by hand, or read over a phone

#6LK4X-N3N7M*X. The character on the end catches any single mistyped symbol and any two neighbours swapped.

As a link or a square code

Open it on the map, move to the exact door, and add directions if the code needs help: "blue gate, second floor". The link and the square code carry them. Nothing is kept on this site.

From the city to the door

The first four characters name a cell about 40 km by 44.4 km here. Each one after that picks one of 25 inside the last, so the whole ten name a spot about the size of a doorway.

  1. 6LK4Metropolitan area40 km by 44.4 km
  2. 6LK4XDistrict8 km by 8.87 km
  3. 6LK4XNSuburb1.6 km by 1.77 km
  4. 6LK4XN3A few streets320 m by 355 m
  5. 6LK4XN3NBuilding64 m by 71 m
  6. 6LK4XN3N7Entrance12.8 m by 14.2 m
  7. 6LK4XN3N7MDoorway2.56 m by 2.84 m

More in Australia

City, region and population from GeoNames, under CC BY 4.0.