[Code of Federal Regulations] [Title 47, Volume 3] [Revised as of October 1, 2005] From the U.S. Government Printing Office via GPO Access [CITE: 47CFR52.3] [Page 71] TITLE 47--TELECOMMUNICATION CHAPTER I--FEDERAL COMMUNICATIONS COMMISSION (CONTINUED) PART 52_NUMBERING--Table of Contents Subpart A_Scope and Authority Sec. 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.