Subpart A--Scope and Authority

   §  52.1   Basis and purpose.
   §  52.3   General.
   §  52.5   Definitions.

                          Subpart B--Administration

   §  52.7   Definitions.
   §  52.9   General requirements.
   §  52.11   North American Numbering Council.
   §  52.12   North American Numbering Plan Administrator and B&C Agent.
   §  52.13   North American Numbering Plan Administrator.
   §  52.15   Central office code administration.
   §  52.16   Billing and Collection Agent.
   §  52.17   Costs of number administration.
   §  52.19   Area code relief.

                        Subpart C--Number Portability

   §  52.20   Thousands-block number pooling.
   §  52.21   Definitions.
   §  52.23   Deployment of long-term database methods for number
   portability by LECs.
   §  52.25   Database architecture and administration.
   §  52.26   NANC Recommendations on Local Number Portability
   Administration.
   §  52.31   Deployment of long-term database methods for number
   portability by CMRS providers.
   §  52.32   Allocation of the shared costs of long-term number
   portability.
   §  52.33   Recovery of carrier-specific costs directly related to
   providing long-term number portability.
   §  52.34   Obligations regarding local number porting to and from
   interconnected VoIP or Internet-based TRS providers.
   §  52.35   Porting Intervals.
   §  52.36   Standard data fields for simple port order processing.
   § §  52.37-52.99   [Reserved]

                        Subpart D--Toll Free Numbers

   §  52.101   General definitions.
   §  52.103   Lag times.
   §  52.105   Warehousing.
   §  52.107   Hoarding.
   §  52.109   Permanent cap on number reservations.
   §  52.111   Toll free number assignment.
   Appendix to Part 52--Deployment Schedule for Long-Term Database Methods
   for Local Number Portability
   ___________________________________

   Authority:   Secs. 1, 2, 4, 5, 48 Stat. 1066, as amended; 47 U.S.C.
   151, 152, 154 and 155 unless otherwise noted. Interpret or apply secs.
   3, 4, 201-05, 207-09, 218, 225-27, 251-52, 271 and 332, 48 Stat. 1070,
   as amended, 1077; 47 U.S.C. 153, 154, 201-05, 207-09, 218, 225-27,
   251-52, 271 and 332 unless otherwise noted.

   Source:   61 FR 38637, July 25, 1996, unless otherwise noted.

Subpart A--Scope and Authority

   Source:   61 FR 47353, Sept. 6, 1996, unless otherwise noted.