Grid Point Code
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Hermosillo

SonoraMexico

Grid Point Code for Hermosillo
With a code
#G9M34-0275C
Said aloud
Hermosillo 0275C

Get the code for your door

What the code says

The Grid Point Code for Hermosillo is #G9M34-0275C. It names a cell 2.56 m north to south and 2.99 m east to west, centred on 29°05'19.50"N, 110°58'00.37"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 Hermosillo, near its centre.

Code
#G9M34-0275C
With a check character
#G9M34-0275C*K
Short form
0275C
Cell centre
29.088749, -110.966769
Cell size
2.56 m by 2.99 m
Region
Sonora
Country
Mexico
Population
812,229

How to give this address

On a sign, a form or a delivery note

The whole code, #G9M34-0275C. It needs nothing else: no city, no street, no network to read it back.

Said aloud, in Sonora

Hermosillo 0275C: 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 4.7 km east or west of Hermosillo. 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

#G9M34-0275C*K. 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 46.7 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. G9M3Metropolitan area40 km by 46.7 km
  2. G9M34District8 km by 9.34 km
  3. G9M340Suburb1.6 km by 1.87 km
  4. G9M3402A few streets320 m by 374 m
  5. G9M34027Building64 m by 74.7 m
  6. G9M340275Entrance12.8 m by 14.9 m
  7. G9M340275CDoorway2.56 m by 2.99 m

More in Mexico

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