AT&T California Share: TelecommunicationsInternet Service Providers AT&T California Visit Website 1215 K Street Ste. 1110 Sacramento, CA 95814 (916) 341-3466 (916) 446-6574 (fax) LinkedIn Facebook Twitter YouTube Instagram GooglePlus About Map About AT&T is the premiere full service telecommunications provider. We can provide voice services, phone and network equipment, Internet, Fiber optics, Wireless services, cloud solutions and security and n What's Nearby? Distance: 5 10 15 20 25 50 mi.