47 CFR Part 52 — Numbering
Subpart A — Scope and Authority
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— Number Portability Requirements for Wireless Providers.
Subpart D — Toll Free Numbers
Subpart E — Universal Dialing Code for National Suicide Prevention and Mental Health Crisis Hotline System
- § 52.200— Designation of 988 for a National Suicide Prevention and Mental Health Crisis Hotline.
- § 52.201— Texting to the National Suicide Prevention and Mental Health Crisis Hotline.
- § 52.202— Georouting of Wireless Calls to the National Suicide Prevention and Mental Health Crisis Hotline.
- § 52.203— Georouting of text messages to the National Suicide Prevention and Mental Health Crisis Hotline.