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ISSUER//CIK 0000005907

AT&T CORP

Exchange

Entity type

operating

Fiscal year end

Dec 31

Headquarters

NY

Research Summary

AI-assisted · Grounded in filings

Updated Nov 26, 2025

AT&T CORP

Based on my research, here is the SEO content paragraph for AT&T CORP: AT&T Corporation (CIK 5907) was the nation's leading provider of long-distance telephone communications, serving approximately 35 million residential customers and three million business customers through its consumer and business services divisions in the late 1990s. The company delivered domestic and international long-distance voice service, Internet connectivity, and enterprise networking solutions to customers ranging from individual households to Fortune 500 corporations. In a bold strategic pivot, AT&T pursued major acquisitions of cable television operators Tele-Communications Inc. and MediaOne Inc. during this period, positioning itself to leverage cable networks for broadband Internet and local telephone service delivery as deregulation reshaped the telecommunications landscape following the 1996 Telecommunications Act. The company faced significant regulatory pressures and intensifying competition from rivals MCI and Sprint, requiring substantial infrastructure investment and operational transformation to maintain its market position. Explore AT&T's regulatory filings and strategic developments on Earnings Feed to track the company's evolution through this pivotal era in telecommunications history.