Company Name Contact Number MCI 1-800-950-5555 Cox Communication 602-277-1000 Century Link 1-800-244-1111 US Post Office | www.usps.com 1-800-275-8777 SRP 602-236-metropolitan8 AT&T 1-800-222-0300 Southwest Water 602-861-1999 H20 (Queen Creek) 480-491-6971 APS 602-371-7171 Move IN 4