47 CFR § 52.3 - General.

---
identifier: "/us/cfr/t47/s52.3"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "47 CFR § 52.3 - General."
title_number: 47
title_name: "Telecommunication"
section_number: "52.3"
section_name: "General."
chapter_name: "FEDERAL COMMUNICATIONS COMMISSION"
subchapter_number: "B"
subchapter_name: "COMMON CARRIER SERVICES"
part_number: "52"
part_name: "NUMBERING"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "47 U.S.C. 151, 152, 153, 154, 155, 201-205, 207-209, 218, 225-227, 227b-1, 251-252, 271, 303, 332, unless otherwise noted."
regulatory_source: "61 FR 38637, July 25, 1996, unless otherwise noted."
cfr_part: "52"
---


# 52.3 General.

The Commission shall have exclusive authority over those portions of the North American Numbering Plan (NANP) that pertain to the United States. The Commission may delegate to the States or other entities any portion of such jurisdiction.