Uyo

Akwa Ibom StateNigeria

With a code: #JPGRT-38XHW
Said aloud: Uyo 38XHW

What the code says

The Grid Point Code for Uyo is #JPGRT-38XHW. It names a cell 2.56 m north to south and 3.41 m east to west, centred on 5°03'04.60"N, 7°56'00.55"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 Uyo, near its centre.

Code: #JPGRT-38XHW
With a check character: #JPGRT-38XHW*5
Short form: 38XHW
Cell centre: 5.051278, 7.933486
Cell size: 2.56 m by 3.41 m
Region: Akwa Ibom State
Country: Nigeria
Population: 436,606

How to give this address

On a sign, a form or a delivery note: The whole code, #JPGRT-38XHW. It needs nothing else: no city, no street, no network to read it back.
Said aloud, in Akwa Ibom State: Uyo 38XHW: 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 Uyo. 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: #JPGRT-38XHW*5. 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 53.2 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.

JPGRMetropolitan area40 km by 53.2 km
JPGRTDistrict8 km by 10.6 km
JPGRT3Suburb1.6 km by 2.13 km
JPGRT38A few streets320 m by 426 m
JPGRT38XBuilding64 m by 85.2 m
JPGRT38XHEntrance12.8 m by 17 m
JPGRT38XHWDoorway2.56 m by 3.41 m

More in Nigeria

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