Grid Point Code
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Goiânia

GoiásBrazil

Grid Point Code for Goiânia
With a code
#9J4LK-5M2R6
Said aloud
Goiânia 5M2R6

Get the code for your door

What the code says

The Grid Point Code for Goiânia is #9J4LK-5M2R6. It names a cell 2.56 m north to south and 3.28 m east to west, centred on 16°40'43.04"S, 49°15'13.98"W, 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 Goiânia, near its centre.

Code
#9J4LK-5M2R6
With a check character
#9J4LK-5M2R6*K
Short form
5M2R6
Cell centre
-16.678621, -49.253883
Cell size
2.56 m by 3.28 m
Region
Goiás
Country
Brazil
Population
1,536,097

How to give this address

On a sign, a form or a delivery note

The whole code, #9J4LK-5M2R6. It needs nothing else: no city, no street, no network to read it back.

Said aloud, in Goiás

Goiânia 5M2R6: 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 5.1 km east or west of Goiânia. 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

#9J4LK-5M2R6*K. 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 51.2 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. 9J4LMetropolitan area40 km by 51.2 km
  2. 9J4LKDistrict8 km by 10.2 km
  3. 9J4LK5Suburb1.6 km by 2.05 km
  4. 9J4LK5MA few streets320 m by 409 m
  5. 9J4LK5M2Building64 m by 81.9 m
  6. 9J4LK5M2REntrance12.8 m by 16.4 m
  7. 9J4LK5M2R6Doorway2.56 m by 3.28 m

More in Brazil

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