Subpart A—Scope and Authority

    Sec.  52.1   Basis and purpose.
    Sec.  52.3   General.
    Sec.  52.5   Definitions.
   
                          Subpart B—Administration

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

    Sec.  52.20   Thousands-block number pooling.
    Sec.  52.21   Definitions.
    Sec.  52.23   Deployment of long-term database methods for number portability by
   LECs.
    Sec.  52.25   Database architecture and administration.
    Sec.  52.26   NANC Recommendations on Local Number Portability Administration.
    Sec.  52.27   Deployment of transitional measures for number portability.
    Sec.  52.29   Cost recovery for transitional measures for number portability.
    Sec.  52.31   Deployment of long-term database methods for number portability by
   CMRS providers.
    Sec.  52.32   Allocation of the shared costs of long-term number portability.
    Sec.  52.33   Recovery of carrier-specific costs directly related to providing
   long-term number portability.
    Sec.  Sec.  52.34-52.99   [Reserved]
   
                        Subpart D—Toll Free Numbers

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

   Authority:   Sec. 1, 2, 4, 5, 48 Stat. 1066, as amended; 47 U.S.C.  Sec. 151,
   152, 154, 155 unless otherwise noted. Interpret or apply secs. 3, 4, 201–05,
   207–09, 218, 225–7, 251–2, 271 and 332, 48 Stat. 1070, as amended, 1077; 47
   U.S.C. 153, 154, 201–05, 207–09, 218, 225–7, 251–2, 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.