Public Utilities go Results Found: 4 Button group with nested dropdown Southwest Gas Corporation 10851 N. Black Canyon Hey. Phoenix AZ 85072 (877) 860-6020 Salt River Project-SRP 1500 N. Mill Ave., Heritage Center Tempe AZ 85281 (602) 236-8888 EPCOR EPCOR 2355 W. Pinnacle Peak Rd., Ste. 300 Phoenix AZ 85027 (623) 445-2400 Arizona Public Service Co. PO Box 53999 Phoenix AZ 85072-3999 (602) 250-1000 Visit Website