Grid Point Code

Play

León de los Aldama

GuanajuatoMexico

With a code
#GD7M9-5JPX8
Said aloud
León de los Aldama 5JPX8

Get the code for your door

What the code says

The Grid Point Code for León de los Aldama is #GD7M9-5JPX8. It names a cell 2.56 m north to south and 3.19 m east to west, centred on 21°07'18.62"N, 101°40'57.14"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 León de los Aldama, near its centre.

Code
#GD7M9-5JPX8
With a check character
#GD7M9-5JPX8*3
Short form
5JPX8
Cell centre
21.121839, -101.682540
Cell size
2.56 m by 3.19 m
Region
Guanajuato
Country
Mexico
Population
1,579,803

How to give this address

On a sign, a form or a delivery note

The whole code, #GD7M9-5JPX8. It needs nothing else: no city, no street, no network to read it back.

Said aloud, in Guanajuato

León de los Aldama 5JPX8: 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 5.0 km east or west of León de los Aldama. 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

#GD7M9-5JPX8*3. 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 49.8 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. GD7MMetropolitan area40 km by 49.8 km
  2. GD7M9District8 km by 9.97 km
  3. GD7M95Suburb1.6 km by 1.99 km
  4. GD7M95JA few streets320 m by 399 m
  5. GD7M95JPBuilding64 m by 79.7 m
  6. GD7M95JPXEntrance12.8 m by 15.9 m
  7. GD7M95JPX8Doorway2.56 m by 3.19 m

More in Mexico

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