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:
... village had a total population of 3,057.
Geography
Islandia is located at 40°48'17" North, 73°10'22" West (40.804658, -73.172778)1.
According to the United ...