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U.S. Code of Federal Regulations
Regulations most recently checked for updates: Aug 27, 2025
All Titles
Title 47
Chapter I
Part 64
Subpart P - Subpart P—Calling Party Telephone Number; Privacy
§ 64.1600 - Definitions.
§ 64.1601 - Delivery requirements and privacy restrictions.
§ 64.1602 - Restrictions on use and sale of telephone subscriber information provided pursuant to automatic number identification or charge number services.
§ 64.1603 - Customer notification.
§ 64.1604 - Prohibition on transmission of inaccurate or misleading caller identification information.
§ 64.1605 - Effective date.
§ 64.1606 - Private entity submissions of spoofing violations.
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