Mataram

West Nusa TenggaraIndonesia

With a code: #7P1K4-LR87P
Said aloud: Mataram LR87P

What the code says

The Grid Point Code for Mataram is #7P1K4-LR87P. It names a cell 2.56 m north to south and 3.38 m east to west, centred on 8°35'00.00"S, 116°07'00.01"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 Mataram, near its centre.

Code: #7P1K4-LR87P
With a check character: #7P1K4-LR87P*X
Short form: LR87P
Cell centre: -8.583333, 116.116669
Cell size: 2.56 m by 3.38 m
Region: West Nusa Tenggara
Country: Indonesia
Population: 441,147

How to give this address

On a sign, a form or a delivery note: The whole code, #7P1K4-LR87P. It needs nothing else: no city, no street, no network to read it back.
Said aloud, in West Nusa Tenggara: Mataram LR87P: 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 Mataram. 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: #7P1K4-LR87P*X. 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 52.8 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.

7P1KMetropolitan area40 km by 52.8 km
7P1K4District8 km by 10.6 km
7P1K4LSuburb1.6 km by 2.11 km
7P1K4LRA few streets320 m by 423 m
7P1K4LR8Building64 m by 84.5 m
7P1K4LR87Entrance12.8 m by 16.9 m
7P1K4LR87PDoorway2.56 m by 3.38 m

More in Indonesia

City, region and population from GeoNames, under CC BY 4.0.