Grid Point Code

Play

Çorum

Turkey

With a code
#J2HF5-0TF9R
Said aloud
Çorum 0TF9R

Get the code for your door

What the code says

The Grid Point Code for Çorum is #J2HF5-0TF9R. It names a cell 2.56 m north to south and 2.60 m east to west, centred on 40°32'56.01"N, 34°57'11.97"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 Çorum, near its centre.

Code
#J2HF5-0TF9R
With a check character
#J2HF5-0TF9R*5
Short form
0TF9R
Cell centre
40.548891, 34.953324
Cell size
2.56 m by 2.60 m
Country
Turkey
Population
269,595

How to give this address

On a sign, a form or a delivery note

The whole code, #J2HF5-0TF9R. It needs nothing else: no city, no street, no network to read it back.

Said aloud, in Turkey

Çorum 0TF9R: 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 4.1 km east or west of Çorum. 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

#J2HF5-0TF9R*5. 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 40.6 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.

  1. J2HFMetropolitan area40 km by 40.6 km
  2. J2HF5District8 km by 8.12 km
  3. J2HF50Suburb1.6 km by 1.62 km
  4. J2HF50TA few streets320 m by 325 m
  5. J2HF50TFBuilding64 m by 65 m
  6. J2HF50TF9Entrance12.8 m by 13 m
  7. J2HF50TF9RDoorway2.56 m by 2.6 m

More in Turkey

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