Flying Fish Cove

What the code says

The Grid Point Code for Flying Fish Cove is #7M4NX-55659. It names a cell 2.56 m north to south and 3.36 m east to west, centred on 10°25'18.18"S, 105°40'44.83"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 Flying Fish Cove, near its centre, and Flying Fish Cove is the capital of Christmas Island.

Code

#7M4NX-55659

With a check character

#7M4NX-55659*P

Short form

55659

Cell centre

-10.421718, 105.679119

Cell size

2.56 m by 3.36 m

Country

Christmas Island

Population

1,355

How to give this address

On a sign, a form or a delivery note

The whole code, #7M4NX-55659. It needs nothing else: no city, no street, no network to read it back.

Said aloud, in Christmas Island

Flying Fish Cove 55659: 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 5.3 km east or west of Flying Fish Cove. 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

#7M4NX-55659*P. 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 52.6 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. N7M4NMetropolitan area40 km by 52.6 km
2. X7M4NXDistrict8 km by 10.5 km
3. 57M4NX5Suburb1.6 km by 2.1 km
4. 57M4NX55A few streets320 m by 420 m
5. 67M4NX556Building64 m by 84.1 m
6. 57M4NX5565Entrance12.8 m by 16.8 m
7. 97M4NX55659Doorway2.56 m by 3.36 m