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The Code of Federal Regulations (CFR) annual edition is the codification of the general and permanent rules published in the Federal Register by the departments and agencies of the Federal Government produced by the Office of the Federal Register (OFR) and the Government Publishing Office.


Parallel Table of Authorities and Rules for the Code of Federal Regulations and the United States Code
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Electronic Code of Federal Regulations

Electronic Code of Federal Regulations

e-CFR data is current as of April 16, 2015

Title 47Chapter ISubchapter BPart 52


TITLE 47—Telecommunication

CHAPTER I—FEDERAL COMMUNICATIONS COMMISSION (CONTINUED)

SUBCHAPTER B—COMMON CARRIER SERVICES (CONTINUED)

PART 52—NUMBERING

rule

Subpart A—SCOPE AND AUTHORITY

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

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.
rule

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]
rule

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
Appendix to Part 52—Deployment Schedule for Long-Term Database Methods for Local Number Portability

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