San Salvador

What the code says

The Grid Point Code for San Salvador is #GLF9P-4J553. It names a cell 2.56 m north to south and 3.32 m east to west, centred on 13°41'21.63"N, 89°11'13.85"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 San Salvador, near its centre, and San Salvador is the capital of El Salvador.

Code

#GLF9P-4J553

With a check character

#GLF9P-4J553*1

Short form

4J553

Cell centre

13.689343, -89.187180

Cell size

2.56 m by 3.32 m

Region

San Salvador Department

Country

El Salvador

Population

525,990

How to give this address

On a sign, a form or a delivery note

The whole code, #GLF9P-4J553. It needs nothing else: no city, no street, no network to read it back.

Said aloud, in San Salvador Department

San Salvador 4J553: 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 5.2 km east or west of San Salvador. 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

#GLF9P-4J553*1. 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 51.9 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. 9GLF9Metropolitan area40 km by 51.9 km
2. PGLF9PDistrict8 km by 10.4 km
3. 4GLF9P4Suburb1.6 km by 2.08 km
4. JGLF9P4JA few streets320 m by 415 m
5. 5GLF9P4J5Building64 m by 83.1 m
6. 5GLF9P4J55Entrance12.8 m by 16.6 m
7. 3GLF9P4J553Doorway2.56 m by 3.32 m

More in El Salvador

• Joya de Cerén
• Santa Ana Volcano