800MHz Transition Administrator
8000 Tower Crescent Dr., 14th Fl.
Tysons Corner, VA 22182-2700
TEL: +1-888-800-8220
www.800ta.org

Department of Homeland Security
1920 N St., N.W.
Washington, DC 20036
TEL: 202-449-7765
www.dhs.gov

Federal Aviation Administration (FAA)
800 Independence Ave. SW
Washington DC 20591
TEL: +1-202-366-4000/FAX: +1-202-267-5039
www.faa.gov

Federal Communications Commission (FCC)
445 12th St., SW
Washington, DC 20554
TEL: +1-202-418-0600/FAX: +1-202-418-2082
www.fcc.gov

Joint Interoperability Test Command
3341 Strauss Ave., Ste. 236
Indian Head, MD 20640
TEL: 301-744-2602
http://jitc.fhu.disa.mil

National Communications Systems (NCS)
14151 Newbrook Dr., Ste. 400
Chantilly, VA 20151 USA
TEL: +1-703-235-5516
www.ncs.gov

National Telecommnications & Information Administration (NTIA)
1401 Constitution Ave. NW
Washington DC 20230
TEL: +1-202-482-7002/FAX: +1-202-219-2077
www.ntia.doc.gov

NTIA/Office of Spectrum Management
www.ntia.doc.gov/osmhome/osmhome.html

Office for Emergency Communications (OEC)
Department of Homeland Security (DHS)
1920 N St., N.W., Washington, DC 20036
TEL: 202-449-7180
www.safecomprogram.gov

Office for Interoperability and Compatibility (OIC), Dept. of Homeland Security
1920 N. St.
Washington DC 20036
TEL: 202-449-7765
www.dhs.gov

Public Safety Communication Management Services (PSCMS)
5365 S. Cody St.
Littleton, CO 80123
TEL: 303-948-7900/FAX: 303-948-7907
www.pscms.net

Office of Radio Frequency Management
Room 2246, SSMC-2, 1325 East-West Highway, Silver Springs MD 20910
TEL: +1 301.713.1853/FAX: +1 301.713.1861
www.orfm.noaa.gov/

U.S. Department of Homeland Security
Washington, DC 20528
TEL: +1-202-282-8000
www.dhs.gov