There are many different numbering schemes for assigning numbers to entities. These generally require an agreed set of rules, or a central coordinator.
Numbering schemes include:
The E.164 numbering plan for telephone numbers, including:
... it is water. The total area is 25.44% water.
Demographics
As of the census of 2000, there are 800 people, 336 households, and 192 families residing in the town. The ...