Title 47, Part 52 — Numbering
35 sections
Section 52.1
Basis and purpose.
Section 52.3
General.
Section 52.5
Definitions.
Section 52.7
Definitions.
Section 52.9
General requirements.
Section 52.11
North American Numbering Council.
Section 52.12
North American Numbering Plan Administrator and B&C Agent.
Section 52.13
North American Numbering Plan Administrator.
Section 52.15
Central office code administration.
Section 52.16
Billing and Collection Agent.
Section 52.17
Costs of number administration.
Section 52.19
Area code relief.
Section 52.20
Thousands-block number pooling.
Section 52.21
Definitions.
Section 52.23
Deployment of long-term database methods for number portability by LECs.
Section 52.25
Database architecture and administration.
Section 52.26
NANC Recommendations on Local Number Portability Administration.
Section 52.31
Deployment of long-term database methods for number portability by CMRS providers.
Section 52.32
Allocation of the shared costs of long-term number portability.
Section 52.33
Recovery of carrier-specific costs directly related to providing long-term number portability.
Section 52.34
Obligations regarding local number porting to and from interconnected VoIP or Internet-based TRS providers.
Section 52.35
Porting Intervals.
Section 52.36
Standard data fields for simple port order processing.
Section 52.37
Number Portability Requirements for Wireless Providers.
Section 52.38-52.99
§§ 52.38-52.99 [Reserved]
Section 52.101
General definitions.
Section 52.103
Lag times.
Section 52.105
Warehousing.
Section 52.107
Hoarding.
Section 52.109
Permanent cap on number reservations.
Section 52.111
Toll free number assignment.
Section 52.200
Designation of 988 for a National Suicide Prevention and Mental Health Crisis Hotline.
Section 52.201
Texting to the National Suicide Prevention and Mental Health Crisis Hotline.
Section 52.202
Georouting of Wireless Calls to the National Suicide Prevention and Mental Health Crisis Hotline.
Section 52.203
Georouting of text messages to the National Suicide Prevention and Mental Health Crisis Hotline.