Carrier Identification Code (CIC) Subcommittee:
Manages issues related to CICs and/or the CIC Assignment Guidelines,
which provide direction to CIC applicants, CIC holders, and to
the North American Numbering Plan Administration (NANPA).
Central Office Code (CO/NXX) Subcommittee:
Addresses issues related to the assignment and administration
of Central Office Codes (NXXs).
Document Management/Maintenance (DMM) Subcommittee:
Modifies, changes and upgrades existing INC documentation.
Local Number Portability Administration (LNPA)
Subcommittee: Seeks to resolve local number portability
administration and numbering issues which initially included the
assignment and administration of Location Routing Numbers (LRN)
and number pooling in a portability environment.
Numbering Plan Area (NPA) Subcommittee:
Addresses issues relating to the allocation, use and reclamation
of area codes, or Numbering Plan Areas (NPAs).
Voice Over Internet Protocol (VoIP) Subcommittee:
Addresses potential numbering issues arising from the integration
of PSTN and Internet Protocol (IP) networks with respect to VoIP
telephone calls.
