Grid Point Code

Play

Apraksin Dvor

Saint PetersburgRussia

Without a code
Apraksin Dvor, Saint Petersburg, and then directions
With a code
#PL7MC-5LJKF
Said aloud
Apraksin Dvor 5LJKF

This code is one spot in Apraksin Dvor, a cell 2.56 m by 1.71 m. Every stall front and doorway in it has a code of its own.

Get the code for your door

What the code says

The Grid Point Code for Apraksin Dvor is #PL7MC-5LJKF. It names a cell 2.56 m north to south and 1.71 m east to west, centred on 59°55'45.02"N, 30°19'40.02"E, and it turns back into that cell on any phone or computer by arithmetic alone: no network, no account, no lookup table.

What it is
Retail area in St. Petersburg, Russia
Code
#PL7MC-5LJKF
With a check character
#PL7MC-5LJKF*8
Short form
5LJKF
Cell centre
59.929171, 30.327782
Cell size
2.56 m by 1.71 m
City
Saint Petersburg
Region
Saint Petersburg
Country
Russia

How to give this address

On a sign, a form or a delivery note

The whole code, #PL7MC-5LJKF. It needs nothing else: no city, no street, no network to read it back.

Said aloud, in Saint Petersburg

Apraksin Dvor 5LJKF: 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 2.7 km east or west of Apraksin Dvor. 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

#PL7MC-5LJKF*8. 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 26.8 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.

  1. PL7MMetropolitan area40 km by 26.8 km
  2. PL7MCDistrict8 km by 5.35 km
  3. PL7MC5Suburb1.6 km by 1.07 km
  4. PL7MC5LA few streets320 m by 214 m
  5. PL7MC5LJBuilding64 m by 42.8 m
  6. PL7MC5LJKEntrance12.8 m by 8.57 m
  7. PL7MC5LJKFDoorway2.56 m by 1.71 m

More in Russia

Place and region from Wikidata, described on Wikipedia; city from GeoNames, under CC BY 4.0.