Home/CFR/Title 47/Part 52
FEDERAL · 47 CFR

Part 52 — Numbering

35 sections · Title 47: Telecommunication

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