---
kind: "unit"
title: "47"
title_heading: "Telecommunication"
key: "chI/subchB/part64"
level: "part"
label: "Part 64"
heading: "Miscellaneous Rules Relating to Common Carriers"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/47/chI-subchB-part64"
sections_count: 193
---

# Part 64 — Miscellaneous Rules Relating to Common Carriers

Title 47 C.F.R. — Telecommunication › Chapter I — Federal Communications Commission › Subchapter B — Common Carrier Services

## Contents

- [Subpart A — Subpart A [Reserved]](/cfr/47/chI-subchB-part64-subpartA.md)
- [Subpart B — Restrictions on Indecent Telephone Message Services](/cfr/47/chI-subchB-part64-subpartB.md)
- [Subpart C — Subpart C [Reserved]](/cfr/47/chI-subchB-part64-subpartC.md)
- [Subpart D — Procedures for Handling Priority Services in Emergencies](/cfr/47/chI-subchB-part64-subpartD.md)
- [Subpart E — Subpart E [Reserved]](/cfr/47/chI-subchB-part64-subpartE.md)
- [Subpart F — Telecommunications Relay Services and Related Customer Premises Equipment for Persons With Disabilities](/cfr/47/chI-subchB-part64-subpartF.md)
- [Subpart G — Furnishing of Enhanced Services and Customer-Premises Equipment by Bell Operating Companies; Telephone Operator Services](/cfr/47/chI-subchB-part64-subpartG.md)
- [Subpart H — Subpart H [Reserved]](/cfr/47/chI-subchB-part64-subpartH.md)
- [Subpart I — Allocation of Costs](/cfr/47/chI-subchB-part64-subpartI.md)
- [Subpart J — Recovery of Investments and Expenses in Regulated Interstate Rates](/cfr/47/chI-subchB-part64-subpartJ.md)
- [Subpart K — Changes in Preferred Telecommunications Service Providers](/cfr/47/chI-subchB-part64-subpartK.md)
- [Subpart L — Restrictions on Telemarketing, Telephone Solicitation, and Facsimile Advertising](/cfr/47/chI-subchB-part64-subpartL.md)
- [Subpart M — Provision of Payphone Service](/cfr/47/chI-subchB-part64-subpartM.md)
- [Subpart N — Expanded Interconnection](/cfr/47/chI-subchB-part64-subpartN.md)
- [Subpart O — Interstate Pay-Per-Call and Other Information Services](/cfr/47/chI-subchB-part64-subpartO.md)
- [Subpart P — Calling Party Telephone Number; Privacy](/cfr/47/chI-subchB-part64-subpartP.md)
- [Subpart Q — Implementation of Section 273(d)(5) of the Communications Act: Dispute Resolution Regarding Equipment Standards](/cfr/47/chI-subchB-part64-subpartQ.md)
- [Subpart R — Geographic Rate Averaging and Rate Integration](/cfr/47/chI-subchB-part64-subpartR.md)
- [Subpart S — Nondominant Interexchange Carrier Certifications Regarding Geographic Rate Averaging and Rate Integration Requirements](/cfr/47/chI-subchB-part64-subpartS.md)
- [Subpart T — Subpart T [Reserved]](/cfr/47/chI-subchB-part64-subpartT.md)
- [Subpart U — Privacy of Customer Information](/cfr/47/chI-subchB-part64-subpartU.md)
- [Subpart V — Rural Call Completion](/cfr/47/chI-subchB-part64-subpartV.md)
- [Subpart W — Ring Signaling Integrity](/cfr/47/chI-subchB-part64-subpartW.md)
- [Subpart X — Subscriber List Information](/cfr/47/chI-subchB-part64-subpartX.md)
- [Subpart Y — Truth-in-Billing Requirements for Common Carriers; Billing for Unauthorized Charges](/cfr/47/chI-subchB-part64-subpartY.md)
- [Subpart Z — Prohibition on Exclusive Telecommunications Contracts](/cfr/47/chI-subchB-part64-subpartZ.md)
- [Subpart AA — Subpart AA [Reserved]](/cfr/47/chI-subchB-part64-subpartAA.md)
- [Subpart BB — Restrictions on Unwanted Mobile Service Commercial Messages](/cfr/47/chI-subchB-part64-subpartBB.md)
- [Subpart CC — Customer Account Record Exchange Requirements](/cfr/47/chI-subchB-part64-subpartCC.md)
- [Subpart DD — Prepaid Calling Card Providers](/cfr/47/chI-subchB-part64-subpartDD.md)
- [Subpart EE — TRS Customer Proprietary Network Information.](/cfr/47/chI-subchB-part64-subpartEE.md)
- [Subpart FF — Incarcerated People's Communications Services](/cfr/47/chI-subchB-part64-subpartFF.md)
- [Subpart GG — National Deaf-Blind Equipment Distribution Program](/cfr/47/chI-subchB-part64-subpartGG.md)
- [Subpart HH — Caller ID Authentication](/cfr/47/chI-subchB-part64-subpartHH.md)
- [Subpart II — Communications Service Protections for Victims of Domestic Violence, Human Trafficking, and Related Crimes](/cfr/47/chI-subchB-part64-subpartII.md)