Grid Point Code

Play

Aparecida de Goiânia

GoiásBrazil

With a code
#9J4L7-9KC13
Said aloud
Aparecida de Goiânia 9KC13

Get the code for your door

What the code says

The Grid Point Code for Aparecida de Goiânia is #9J4L7-9KC13. It names a cell 2.56 m north to south and 3.27 m east to west, centred on 16°49'24.01"S, 49°14'38.04"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 Aparecida de Goiânia, near its centre.

Code
#9J4L7-9KC13
With a check character
#9J4L7-9KC13*6
Short form
9KC13
Cell centre
-16.823336, -49.243899
Cell size
2.56 m by 3.27 m
Region
Goiás
Country
Brazil
Population
527,796

How to give this address

On a sign, a form or a delivery note

The whole code, #9J4L7-9KC13. It needs nothing else: no city, no street, no network to read it back.

Said aloud, in Goiás

Aparecida de Goiânia 9KC13: 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 Aparecida de 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

#9J4L7-9KC13*6. 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 51.1 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 51.1 km
  2. 9J4L7District8 km by 10.2 km
  3. 9J4L79Suburb1.6 km by 2.05 km
  4. 9J4L79KA few streets320 m by 409 m
  5. 9J4L79KCBuilding64 m by 81.8 m
  6. 9J4L79KC1Entrance12.8 m by 16.4 m
  7. 9J4L79KC13Doorway2.56 m by 3.27 m

More in Brazil

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