{"data":{"id":"us/10-cfr-appendix-d-to-part-20","jurisdiction":"us","citation":"10 CFR Appendix D to Part 20","heading":"Appendix D to Part 20—United States Nuclear Regulatory Commission Regional Offices","body":"Address Telephone (24 hour) E-Mail\nNRC Headquarters Operations Center USNRC, Division of Preparedness and Response, Washington, DC 20555-0001 (301) 816-5100 (301) 951-0550 (301) 816-5151 (fax) Hoo.Hoc@nrc.gov\nRegion I: Connecticut, Delaware, District of Columbia, Maine, Maryland, Massachusetts, New Hampshire, New Jersey, New York, Pennsylvania, Rhode Island, and Vermont USNRC, Region I, 475 Allendale Road, Suite 102, King of Prussia, PA 19406-1415 (610) 337-5000, (800) 432-1156 TDD: (301) 415-5575 RidsRgn1MailCenter@nrc.gov.\nRegion II: Alabama, Florida, Georgia, Kentucky, North Carolina, Puerto Rico, South Carolina, Tennessee, Virginia, Virgin Islands, and West Virginia USNRC, Region II, 245 Peachtree Center Avenue, NE., Suite 1200, Atlanta, GA 30303-1257. (404) 997-4000 (800) 877-8510 TDD: (301) 415-5575 RidsRgn2MailCenter@nrc.gov\nRegion III: Illinois, Indiana, Iowa, Michigan, Minnesota, Missouri, Ohio and Wisconsin USNRC, Region III, 2443 Warrenville Road, Suite 210, Lisle, IL 60532-4352 (630) 829-9500 (800) 522-3025 TDD: (301) 415-5575 RidsRgn3MailCenter@nrc.gov\nRegion IV: Alaska, Arizona, Arkansas, California, Colorado, Hawaii, Idaho, Kansas, Louisiana, Mississippi, Montana, Nebraska, Nevada, New Mexico, North Dakota, Oklahoma, Oregon, South Dakota, Texas, Utah, Washington, Wyoming, and the U.S. territories and possessions in the Pacific US NRC, Region IV, 1600 E Lamar Blvd., Arlington, TX 76011-4511 (817) 200-1100, (800) 952-9677, TDD: (301) 415-5575 RidsRgn4MailCenter@nrc.gov.","path":["Title 10—Energy","CHAPTER I—NUCLEAR REGULATORY COMMISSION","PART 20—STANDARDS FOR PROTECTION AGAINST RADIATION"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-10.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:24:09Z","sha256":"718b1679214a94786ccc8f1839ab3ecb725fae016979f243a6e0aa8a56a4271f","source_id":"us-cfr","stale":true,"prev":"us/10-cfr-appendix-c-to-part-20","next":"us/10-cfr-appendix-e-to-part-20"},"notice":"GroundRules: Original legal text. Not legal advice."}