This page formerly contained some of the Federal Communications Commission regulations relating to telephone numbering, excerpted from the Code of Federal Regulations, Title 47, Volume 3, Part 52, Subpart B (pages 52-55), revised as of October 1, 1997. However, those regulations have been amended substantially, so please go directly to the source for the updated version:

Please visit the National Archives Electronic Code of Federal Regulations, eCFR online, or go directly to 47 CFR 52 (B)

The relevant highlights are:

In addition, here are links to some of the provisions in the United States Code relating to junk faxes, robocalls, and Caller ID spoofing:

Note that §227(b)(2), §227b, and §227b-2 are three separate, distinct portions of Title 47. Letters, numbers, and in some cases Roman numerals, in parentheses, indicate subsections and sub-subsections.

Return to LincMad’s Telephone Area Code page

This page is not copyrighted by LincMad Consulting. No warranty of any kind is given on the correctness, appropriateness, or fitness for any purpose of the information given on this page. See the disclaimer at the top of the page if you require an authoritative copy of these regulations/statutes. URL: <> Comments to contact аt lincmad dоt cоm

Last updated ‎2021-03-12‎. received over a million visits from 1997 until the counter broke. received over a million visits from 1997 until the counter broke.

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