Cockburn Town

What the code says

The Grid Point Code for Cockburn Town is #GHN3M-462W8. It names a cell 2.56 m north to south and 3.18 m east to west, centred on 21°27'40.39"N, 71°08'30.78"W, 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 Cockburn Town, near its centre, and Cockburn Town is the capital of Turks and Caicos Islands.

Code

#GHN3M-462W8

With a check character

#GHN3M-462W8*M

Short form

462W8

Cell centre

21.461219, -71.141883

Cell size

2.56 m by 3.18 m

Country

Turks and Caicos Islands

Population

3,720

How to give this address

On a sign, a form or a delivery note

The whole code, #GHN3M-462W8. It needs nothing else: no city, no street, no network to read it back.

Said aloud, in Turks and Caicos Islands

Cockburn Town 462W8: 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 5.0 km east or west of Cockburn Town. 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

#GHN3M-462W8*M. 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 49.7 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. 3GHN3Metropolitan area40 km by 49.7 km
2. MGHN3MDistrict8 km by 9.95 km
3. 4GHN3M4Suburb1.6 km by 1.99 km
4. 6GHN3M46A few streets320 m by 398 m
5. 2GHN3M462Building64 m by 79.6 m
6. WGHN3M462WEntrance12.8 m by 15.9 m
7. 8GHN3M462W8Doorway2.56 m by 3.18 m