Grid Point Code

Play

Acapulco de Juárez

GuerreroMexico

With a code
#GMRKX-1TCD8
Said aloud
Acapulco de Juárez 1TCD8

Get the code for your door

What the code says

The Grid Point Code for Acapulco de Juárez is #GMRKX-1TCD8. It names a cell 2.56 m north to south and 3.27 m east to west, centred on 16°50'57.90"N, 99°54'32.11"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 Acapulco de Juárez, near its centre.

Code
#GMRKX-1TCD8
With a check character
#GMRKX-1TCD8*0
Short form
1TCD8
Cell centre
16.849417, -99.908920
Cell size
2.56 m by 3.27 m
Region
Guerrero
Country
Mexico
Population
658,609

How to give this address

On a sign, a form or a delivery note

The whole code, #GMRKX-1TCD8. It needs nothing else: no city, no street, no network to read it back.

Said aloud, in Guerrero

Acapulco de Juárez 1TCD8: 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 Acapulco 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

#GMRKX-1TCD8*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 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. GMRKMetropolitan area40 km by 51.1 km
  2. GMRKXDistrict8 km by 10.2 km
  3. GMRKX1Suburb1.6 km by 2.05 km
  4. GMRKX1TA few streets320 m by 409 m
  5. GMRKX1TCBuilding64 m by 81.8 m
  6. GMRKX1TCDEntrance12.8 m by 16.4 m
  7. GMRKX1TCD8Doorway2.56 m by 3.27 m

More in Mexico

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