Grid Point Code

Play

Naucalpan de Juárez

MéxicoMexico

With a code
#GD331-D8636
Said aloud
Naucalpan de Juárez D8636

Get the code for your door

What the code says

The Grid Point Code for Naucalpan de Juárez is #GD331-D8636. It names a cell 2.56 m north to south and 3.22 m east to west, centred on 19°28'42.64"N, 99°14'22.65"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 Naucalpan de Juárez, near its centre.

Code
#GD331-D8636
With a check character
#GD331-D8636*5
Short form
D8636
Cell centre
19.478511, -99.239624
Cell size
2.56 m by 3.22 m
Region
México
Country
Mexico
Population
834,434

How to give this address

On a sign, a form or a delivery note

The whole code, #GD331-D8636. It needs nothing else: no city, no street, no network to read it back.

Said aloud, in México

Naucalpan de Juárez D8636: 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 Naucalpan de Juárez. 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

#GD331-D8636*5. 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 50.4 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. GD33Metropolitan area40 km by 50.4 km
  2. GD331District8 km by 10.1 km
  3. GD331DSuburb1.6 km by 2.02 km
  4. GD331D8A few streets320 m by 403 m
  5. GD331D86Building64 m by 80.6 m
  6. GD331D863Entrance12.8 m by 16.1 m
  7. GD331D8636Doorway2.56 m by 3.22 m

More in Mexico

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