Grid Point Code

Play

Xalapa de Enríquez

VeracruzMexico

With a code
#GD4WN-767FX
Said aloud
Xalapa de Enríquez 767FX

Get the code for your door

What the code says

The Grid Point Code for Xalapa de Enríquez is #GD4WN-767FX. It names a cell 2.56 m north to south and 3.22 m east to west, centred on 19°31'52.50"N, 96°54'57.24"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 Xalapa de Enríquez, near its centre.

Code
#GD4WN-767FX
With a check character
#GD4WN-767FX*0
Short form
767FX
Cell centre
19.531250, -96.915901
Cell size
2.56 m by 3.22 m
Region
Veracruz
Country
Mexico
Population
424,755

How to give this address

On a sign, a form or a delivery note

The whole code, #GD4WN-767FX. It needs nothing else: no city, no street, no network to read it back.

Said aloud, in Veracruz

Xalapa de Enríquez 767FX: 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 Xalapa de Enríquez. 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

#GD4WN-767FX*0. 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. GD4WMetropolitan area40 km by 50.4 km
  2. GD4WNDistrict8 km by 10.1 km
  3. GD4WN7Suburb1.6 km by 2.01 km
  4. GD4WN76A few streets320 m by 403 m
  5. GD4WN767Building64 m by 80.6 m
  6. GD4WN767FEntrance12.8 m by 16.1 m
  7. GD4WN767FXDoorway2.56 m by 3.22 m

More in Mexico

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