Grid Point Code

Play

Taichung

Taiwan

With a code
#LC9G2-9RJ7F
Said aloud
Taichung 9RJ7F

Get the code for your door

What the code says

The Grid Point Code for Taichung is #LC9G2-9RJ7F. It names a cell 2.56 m north to south and 3.12 m east to west, centred on 24°08'48.84"N, 120°41'02.05"E, 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 Taichung, near its centre.

Code
#LC9G2-9RJ7F
With a check character
#LC9G2-9RJ7F*W
Short form
9RJ7F
Cell centre
24.146899, 120.683904
Cell size
2.56 m by 3.12 m
Country
Taiwan
Population
2,850,285

How to give this address

On a sign, a form or a delivery note

The whole code, #LC9G2-9RJ7F. It needs nothing else: no city, no street, no network to read it back.

Said aloud, in Taiwan

Taichung 9RJ7F: 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 4.9 km east or west of Taichung. 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

#LC9G2-9RJ7F*W. 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 48.8 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. LC9GMetropolitan area40 km by 48.8 km
  2. LC9G2District8 km by 9.75 km
  3. LC9G29Suburb1.6 km by 1.95 km
  4. LC9G29RA few streets320 m by 390 m
  5. LC9G29RJBuilding64 m by 78 m
  6. LC9G29RJ7Entrance12.8 m by 15.6 m
  7. LC9G29RJ7FDoorway2.56 m by 3.12 m

More in Taiwan

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