Where can I get additional information regarding Number Portability, Pooling or Numbering Admin?
http://www.nanpa.com (North American Numbering Plan Administrator)
http://www.npac.com (Number Portability Administration Center)
http://www.numberpool.com (Number Pooling Administration Center for Illinois and New York (Contains “Pooling Guidelines”))
http://www/ported.com (Number portability and pooling site)
http://www.fcc.gov (Several locations on this site deal with Numbering, Portability and Pooling)
http://www.atis.org (Several National forums (INC, T1S1.6, etc) as well as documents from NRO working group)