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Numbering (4)

See Also:
Sites:

http://www.sms800.com/
» 800 Service Management System Open in a new browser window
   Information about the central database for US toll free number management.
   http://www.sms800.com/
http://www.areacode-info.com/
» Area Code Information Open in a new browser window
   Detailed information on the history and current developments in North American NPA allocations.
   http://www.areacode-info.com/
http://www.numberingplans.com/
» International Numbering Plans Open in a new browser window
   A collection of all international numbering plans in the world. Some features require a paid subscription.
   http://www.numberingplans.com/
http://ourwebhome.com/TENP/TENproject.html
» The Telephone Exchange Name Project Open in a new browser window
   The historical relationship between North American telephone exchange names and numbers.
   http://ourwebhome.com/TENP/TENproject.html

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Last Updated: 2007-01-02 17:49:35





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