Numbering Scheme - Communications

Communications

• The E.164 numbering plan for telephone numbers, including:
  • Country calling codes
  • North American Numbering Plan
  • Numbering plans by country
    • Argentina: Argentine telephone numbering plan
    • Australia: Australian telephone numbering plan
    • China: China telephone numbering plan
    • France: French telephone numbering plan
    • Hong Kong: Hong Kong telephone numbering plan
    • Japan: Japanese telephone numbering plan
    • Singapore: Singapore telephone numbering plan
    • United Kingdom: UK telephone numbering plan
• The IP address allocation scheme (IANA)
• The DNIC prefixes of X.25 NUAs assigned by the ITU http://www.itu.int