Grid Point Code
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Hamamatsu

ShizuokaJapan

Grid Point Code for Hamamatsu
With a code
#L8T6J-W6J1M
Said aloud
Hamamatsu W6J1M

Get the code for your door

What the code says

The Grid Point Code for Hamamatsu is #L8T6J-W6J1M. It names a cell 2.56 m north to south and 2.81 m east to west, centred on 34°42'00.01"N, 137°43'59.95"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 Hamamatsu, near its centre.

Code
#L8T6J-W6J1M
With a check character
#L8T6J-W6J1M*T
Short form
W6J1M
Cell centre
34.700003, 137.733320
Cell size
2.56 m by 2.81 m
Region
Shizuoka
Country
Japan
Population
791,707

How to give this address

On a sign, a form or a delivery note

The whole code, #L8T6J-W6J1M. It needs nothing else: no city, no street, no network to read it back.

Said aloud, in Shizuoka

Hamamatsu W6J1M: 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 Hamamatsu. 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

#L8T6J-W6J1M*T. 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 43.9 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. L8T6Metropolitan area40 km by 43.9 km
  2. L8T6JDistrict8 km by 8.79 km
  3. L8T6JWSuburb1.6 km by 1.76 km
  4. L8T6JW6A few streets320 m by 351 m
  5. L8T6JW6JBuilding64 m by 70.3 m
  6. L8T6JW6J1Entrance12.8 m by 14.1 m
  7. L8T6JW6J1MDoorway2.56 m by 2.81 m

More in Japan

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