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:
... (1.4 mi²) of it is land and none of the area is covered with water.
Demographics
As of the census of 2000, there are 5,013 people, 1,455 households, and 1,223 ...