The Numbering scheme reference article from the English Wikipedia on 24-Apr-2004 (provided by Fixed Reference: snapshots of Wikipedia from wikipedia.org)

Numbering scheme

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:
  • The North American Numbering Plan
  • The UK National Numbering Scheme
• The IP address allocation scheme (IANA)
• The NSAP allocation scheme
• The MAC address allocation scheme for hardware addresses of certain networking products
• The UPC numbering scheme for barcodes on products
• The EAN numbering scheme (EAN International), including
  • ISBN codes for books
  • ISSN codes for periodicals
• Dewey Decimal Classification and Universal Decimal Classification for books
• US Social Security numbers
• Canadian Social Insurance Numbers
• Credit card number prefixes
• FIPS place codes
• ZIP codes
• CAS registry numbers for chemical compounds
• EC numbers for identifying enzymes
• UN numbers for (classes of) hazardous substances
• E numbers for food additives
• West American Digest System legal topic numbering scheme
• Road numbering schemes
  • British road numbering scheme
  • European route by UNECE
  • Interstate highway

See also: country code, naming schemes.

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