Common Numbering Links
- 800 Service Management System (SMS/800)
- Alliance for Telecommunications Industry Solutions (ATIS)
- American National Standards Institute
- Canadian Local Number Portability Consortium (CLNPC)
- Canadian Numbering Administration Consortium (CNAC)
- Canadian Radio-television and Telecommunications Commission (CRTC)
- CISC - Committee on Numbering (CSCN) Guideline
- CRTC Interconnection Steering Committee (CISC) - Agreements, Guideline, Manuals & Procedures
- Industry Numbering Committee (INC)
- International Telecommunication Union (ITU)
- National Exchange Carriers Association (NECA)
- Neustar Canadian Number Portability Administration Center (Canadian NPAC)
- North American Numbering Council (NANC)
- North American Numbering Plan Administrator (NANPA)
- Telcordia Routing Administration (TRA)
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