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.

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Subpart A—Scope and Authority

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

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