Member States 

Regulatory Commission of Alaska
701 West 8th Avenue, Suite 300
Anchorage, AK 99501-3469
Tel: 907-276-6222
Fax: 907-276-0160

Arizona Corporation Commission
1200 West Washington Street
Phoenix, AZ 85007
Tel: 602-542-2237
Fax: 602-542-3977

California Public Utilities Commission
505 Van Ness Ave
San Francisco, CA 94102-3298
Tel: 415-703-2782
Fax: 415-703-1758

Colorado Public Utilities Commission
1560 Broadway, Suite 250
Denver, CO 80202
Tel: 303-894-2000
Fax: 303-894-2065

Guam Public Utilities Commission
414 West Soledad Avenue
Suite 207, GCIC Building
PO Box 862
Hagatna, Guam 96910
Tel: 671-472-1907
Fax: 671-472-1917

Hawaii Public Utilities Commission
465 South King Street
Kekuanao’a Building, Room 103
Honolulu, HI 96813
Tel: 808-586-2020
Fax: 808-586-2066

Idaho Public Utilities Commission
472 West Washington Street
PO Box 83720
Boise, ID 83720-0074
Tel: 208-334-0300
Fax: 208-334-3762

Montana Public Service Commission
1701 Prospect Avenue
PO Box 202601
Helena, MT 59620-2601
Tel: 406-444-6199
Fax: 406-444-7618

Nevada Public Utilities Commission
1150 East William Street, Suite 250
Carson City, NV 89701-3109
Tel: 775-684-6101
Fax: 775-684-6110

New Mexico Public Regulation Commission
1120 Paseo de Peralta
Santa Fe, NM 87501-1269
Tel: 1-888-4ASK-PRC (1-888-427-5772)
Fax: 505-827-4379

Oregon Public Utility Commission
201 High Street SE, Suite 100
Salem, OR 97301-3612
PO Box 1088
Salem, OR 97308-1088

Public Service Commission of Utah
160 East 300 South, 4th Floor
Salt Lake City, UT 84111
Tel: 801-530-6716
Fax: 801-530-6796

Washington Utilities and Transportation Commission
621 Woodland Square Loop SE
PO Box 47250
Lacey, WA 98503 Mail Stop: 47250
Tel: 360-664-1160
Fax: 360-586-1150
website: http://www.utc.wa.gov

Wyoming Public Service Commission
2515 Warren Avenue, Suite 300
Cheyenne, WY 82002
Tel: 307-777-7427
Fax: 307-777-5700