Changwon

Gyeongsangnam-doSouth Korea

With a code: #L91D4-75W2W
Said aloud: Changwon 75W2W

What the code says

The Grid Point Code for Changwon is #L91D4-75W2W. It names a cell 2.56 m north to south and 2.79 m east to west, centred on 35°13'41.00"N, 128°40'52.03"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 Changwon, near its centre.

Code: #L91D4-75W2W
With a check character: #L91D4-75W2W*1
Short form: 75W2W
Cell centre: 35.228056, 128.681119
Cell size: 2.56 m by 2.79 m
Region: Gyeongsangnam-do
Country: South Korea
Population: 1,025,702

How to give this address

On a sign, a form or a delivery note: The whole code, #L91D4-75W2W. It needs nothing else: no city, no street, no network to read it back.
Said aloud, in Gyeongsangnam-do: Changwon 75W2W: 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 4.4 km east or west of Changwon. 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: #L91D4-75W2W*1. 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 43.6 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.

L91DMetropolitan area40 km by 43.6 km
L91D4District8 km by 8.73 km
L91D47Suburb1.6 km by 1.75 km
L91D475A few streets320 m by 349 m
L91D475WBuilding64 m by 69.8 m
L91D475W2Entrance12.8 m by 14 m
L91D475W2WDoorway2.56 m by 2.79 m

More in South Korea

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