International Numbering Plans provides a variety of tools in the field of telecommunication for businesses, law enforcement agenncies, governmental organisations or regular users.

National Numbering Plans. Administrations are requested to notify ITU about their national numbering plan changes, or to give an explanation of their web page on ...

Redirected from Closed Telephone Numbering Plans) ... A closed telephone numbering plan is one in which the subscriber's number is a ...

... ranges to countries, regions, areas and exchanges and to non-fixed telephone networks such as mobile phone networks. Dial plans should not be confused with numbering plans.