Ndola

What the code says

The Grid Point Code for Ndola is #87DX3-1TFMH. It names a cell 2.56 m north to south and 3.33 m east to west, centred on 12°57'31.23"S, 28°38'11.71"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 Ndola, near its centre.

Code

#87DX3-1TFMH

With a check character

#87DX3-1TFMH*7

Short form

1TFMH

Cell centre

-12.958675, 28.636585

Cell size

2.56 m by 3.33 m

Region

Copperbelt

Country

Zambia

Population

627,503

How to give this address

On a sign, a form or a delivery note

The whole code, #87DX3-1TFMH. It needs nothing else: no city, no street, no network to read it back.

Said aloud, in Copperbelt

Ndola 1TFMH: 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 5.2 km east or west of Ndola. 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

#87DX3-1TFMH*7. 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 52.1 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. X87DXMetropolitan area40 km by 52.1 km
2. 387DX3District8 km by 10.4 km
3. 187DX31Suburb1.6 km by 2.08 km
4. T87DX31TA few streets320 m by 417 m
5. F87DX31TFBuilding64 m by 83.3 m
6. M87DX31TFMEntrance12.8 m by 16.7 m
7. H87DX31TFMHDoorway2.56 m by 3.33 m

More in Zambia

• Lusaka
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