Grid Point Code

Play

São Bernardo do Campo

São PauloBrazil

With a code
#9GJ2X-XG3LT
Said aloud
São Bernardo do Campo XG3LT

Get the code for your door

What the code says

The Grid Point Code for São Bernardo do Campo is #9GJ2X-XG3LT. It names a cell 2.56 m north to south and 3.13 m east to west, centred on 23°41'37.99"S, 46°33'53.97"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 São Bernardo do Campo, near its centre.

Code
#9GJ2X-XG3LT
With a check character
#9GJ2X-XG3LT*G
Short form
XG3LT
Cell centre
-23.693887, -46.564992
Cell size
2.56 m by 3.13 m
Region
São Paulo
Country
Brazil
Population
840,499

How to give this address

On a sign, a form or a delivery note

The whole code, #9GJ2X-XG3LT. It needs nothing else: no city, no street, no network to read it back.

Said aloud, in São Paulo

São Bernardo do Campo XG3LT: 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 4.9 km east or west of São Bernardo do Campo. 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

#9GJ2X-XG3LT*G. 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 48.9 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. 9GJ2Metropolitan area40 km by 48.9 km
  2. 9GJ2XDistrict8 km by 9.79 km
  3. 9GJ2XXSuburb1.6 km by 1.96 km
  4. 9GJ2XXGA few streets320 m by 391 m
  5. 9GJ2XXG3Building64 m by 78.3 m
  6. 9GJ2XXG3LEntrance12.8 m by 15.7 m
  7. 9GJ2XXG3LTDoorway2.56 m by 3.13 m

More in Brazil

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