Amman

What the code says

The Grid Point Code for Amman is #J7C95-T0G2P. It names a cell 2.56 m north to south and 2.90 m east to west, centred on 31°57'18.81"N, 35°56'42.10"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 Amman, near its centre, and Amman is the capital of Jordan.

Code

#J7C95-T0G2P

With a check character

#J7C95-T0G2P*K

Short form

T0G2P

Cell centre

31.955224, 35.945027

Cell size

2.56 m by 2.90 m

Country

Jordan

Population

1,275,857

How to give this address

On a sign, a form or a delivery note

The whole code, #J7C95-T0G2P. It needs nothing else: no city, no street, no network to read it back.

Said aloud, in Jordan

Amman T0G2P: 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 4.5 km east or west of Amman. 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

#J7C95-T0G2P*K. 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 45.3 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. 9J7C9Metropolitan area40 km by 45.3 km
2. 5J7C95District8 km by 9.07 km
3. TJ7C95TSuburb1.6 km by 1.81 km
4. 0J7C95T0A few streets320 m by 363 m
5. GJ7C95T0GBuilding64 m by 72.5 m
6. 2J7C95T0G2Entrance12.8 m by 14.5 m
7. PJ7C95T0G2PDoorway2.56 m by 2.9 m

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