(a) The principal NRC offices are located in the Washington, DC, area. Facilities for the service of process and papers are maintained within the District of Columbia at 2120 L Street NW., and in the State of Maryland at 11555 Rockville Pike, Rockville, Maryland 20852-2738. The agency's official mailing address is U.S. Nuclear Regulatory Commission, Washington, DC 20555-0001. The locations of NRC offices in the Washington, DC area are as follows:

(1) Gelman Building, 2120 L Street NW., Washington, DC 20037.

(2) One White Flint North Building, 11555 Rockville Pike, Rockville, Maryland 20852-2738.

(3) Two White Flint North Building, 11545 Rockville Pike, Rockville, Maryland 20852-2738.

(b) The addresses of the NRC Regional Offices are as follows:

(1) Region I, USNRC, 475 Allendale Road, King of Prussia, PA 19406-1415.

(2) Region II, USNRC, Atlanta Federal Center, 61 Forsyth Street, SW., Suite 23T85, Atlanta, GA 30303.

(3) Region III, USNRC, 801 Warrenville Road, Lisle, IL 60532-4351.

(4) Region IV, USNRC, 611 Ryan Plaza Drive, Suite 400, Arlington, TX 76011-8064.

(5) USNRC Region IV Walnut Creek Field Office, 1450 Maria Lane, Suite 300, Walnut Creek, CA 94596-5368.