Editing Telephone numbering plan (section)

===Integrated telephone numbering plan===
In an '''integrated telephone numbering plan''' multiple countries share a single ITU country code. The North American Numbering Plan comprises 25 countries or dependent territories in North America and the [[Caribbean]]. Similarly, in eastern Europe and Asia, [[World Zone 7|world numbering zone 7]] comprises [[Telephone numbers in Russia|Russia]] and [[Telephone numbers in Kazakhstan|Kazakhstan]] with country code 7.