State Web site
Alabama http://www.psc.state.al.us
Alaska http://rca.alaska.gov
Arizona https://azcc.gov/utilities/telephone
Arkansas http://www.state.ar.us/psc
Califonia https://www.cpuc.ca.gov
Colorado https://puc.colorado.gov
Connecticut https://portal.ct.gov/PURA
Delaware https://depsc.delaware.gov
Florida http://www.psc.state.fl.us
Georgia http://www.psc.state.ga.us
Hawaii https://puc.hawaii.gov
Idaho https://puc.idaho.gov
Illinois https://www.icc.illinois.gov/home/publicutility
Indiana https://www.in.gov/iurc
Iowa https://iub.iowa.gov
Kansas http://www.kcc.state.ks.us
Kentucky http://www.psc.state.ky.us
Louisiana http://www.lpsc.louisiana.gov
Maine http://www.state.me.us/mpuc
Maryland http://www.psc.state.md.us/psc
Massachusetts http://www.state.ma.us/dpu/index.htm
Michigan https://www.michigan.gov/mpsc
Minnesota https://mn.gov/puc
Mississippi https://www.psc.ms.gov
Missouri https://psc.mo.gov
Montana http://psc.mt.gov
Nebraska https://psc.nebraska.gov
Nevada http://puc.nv.gov
New Hampshire https://www.puc.nh.gov
New Mexico http://www.nmprc.state.nm.us
New Jersey https://www.bpu.state.nj.us
New York New York State Department of Public Service:  
Online: http://www.dps.ny.gov/complaints  
Telephone Helpline: 800-342-3377 (M-F 8:30 am - 4:00 pm)    Fax: 518-472-8502  
Mail: Office of Consumer Services, NYS Department of Public Service, 3 Empire State Plaza, Albany, NY 12223  
North Carolina https://www.ncuc.net
North Dakota https://psc.nd.gov
Ohio https://www.puco.ohio.gov
Oklahoma http://www.occ.state.ok.us
Oregon http://www.puc.state.or.us
Pennsylvania http://www.puc.state.pa.us
South Carolina https://psc.sc.gov
Tennessee https://www.tn.gov/tpuc.html
Texas https://www.puc.texas.gov
Utah https://psc.utah.gov
Vermont https://puc.vermont.gov
Virginia https://scc.virginia.gov
Washington https://www.utc.wa.gov
West Virginia http://www.psc.state.wv.us
Wisconsin https://psc.wi.gov
Wyoming https://psc.wyo.gov
Federal Communications Commission (FCC)   http://www.fcc.gov