National Pooling Administration
Additional Information - Industry Links
Listed below are links to other web sites that contain information related to numbering.

PLEASE NOTE that these links are off site and will launch a new browser window.
 
 Alliance for Telecommunications Industry Solutions (ATIS)
 Federal Communications Commission (FCC)
 Industry Numbering Committee (INC)
 Local Number Portability Administration Working Group (LNPA-WG)
 MBI Administration
 North American Numbering Plan Administration (NANPA)
 North American Numbering Council (NANC)
 Number Portability Administration Center (NPAC)