Numbering plans

Links

http://www.internationaldatabases.com/: International Numbering Plans, World Numbering Plan, NANP, NPANXX, North American Numbering Plan, telephone tariffs
http://www.itu.int/ITU-T/inr/nnp/index.html: ITU-T numbering plan information
http://www.numberingplans.com/: Commercial provider of numbering plans
http://www.numberplan.org/: Commercial provider of numbering plans
http://www.wtng.info/: World Telephone Numbering Guide
See also: NPA-NXX for North American specific information
http://www.0xdecafbad.com/node/13: CSV and extensions.conf ready numbering plan data over 5000 entries