Monastiraki

What the code says

The Grid Point Code for Monastiraki is #J150F-C6JNT. It names a cell 2.56 m north to south and 2.70 m east to west, centred on 37°58'34.98"N, 23°43'24.95"E, and it turns back into that cell on any phone or computer by arithmetic alone: no network, no account, no lookup table.

What it is

Square and neighborhood in Athens, Greece

Code

#J150F-C6JNT

With a check character

#J150F-C6JNT*L

Short form

C6JNT

Cell centre

37.976383, 23.723597

Cell size

2.56 m by 2.70 m

City

Athens

Region

Attica Region

Country

Greece

How to give this address

On a sign, a form or a delivery note

The whole code, #J150F-C6JNT. It needs nothing else: no city, no street, no network to read it back.

Said aloud, in Athens

Monastiraki C6JNT: 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 4.2 km east or west of Monastiraki. 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

#J150F-C6JNT*L. 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 42.1 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. 0J150Metropolitan area40 km by 42.1 km
2. FJ150FDistrict8 km by 8.42 km
3. CJ150FCSuburb1.6 km by 1.68 km
4. 6J150FC6A few streets320 m by 337 m
5. JJ150FC6JBuilding64 m by 67.4 m
6. NJ150FC6JNEntrance12.8 m by 13.5 m
7. TJ150FC6JNTDoorway2.56 m by 2.7 m

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