At and T Los Angeles Contact Customer Service Numbers Home» At» At and T Los Angeles Call at +1-213-388-94443764 Wilshire Boulevard, Los Angeles, California 90010, United StatesDirections: Follow the directions to locate At and T Los Angeles ContactLocations Near You: Find nearby locations of At and T Los Angeles ContactCustomer Care Numbers: 1-888-944-0447For Home Security services: 855.288.2727For Home Phone services: 866.861.6075For net services: 800.288.2020For Digital TV services: 866.861.6075For Wireless services:800.331.0500Basic OverviewWorld's largest telecommunication company has established corporate headquarters at Texas United Sates and started its journey from 1983. It provides the services in various business domains related to the mass media and telecommunications. With over thirty years of vast experience the company has diversified business segments such as Satellite Television, internet, mobile, fixed line, broadband and so on. With over two lakh employees its huge subsidiaries list includes Vyatta, South Western Bell, Indiana Bell, Direct TV, Bell South and so on.AT&T is an abbreviation of American tel and Telegraph Company. this is a openly marketing pervasive business (MNE) that embarked broadcasting its mass media and telecommunications on dated of 1983 on October, 5 under banner - Southwestern Bell tel corporation, a segment of divisional Bell regulating organizations. An eminent multi-talented persona, Alexander Graham Bell plays indispensable segment in inauguration of AT&T Inc. , a well-known icon in telecommunication production since, 2005.