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Company dossier

MCI COMMUNICATIONS CORP

Exchange

Entity type

operating

Fiscal year end

Dec 31

Headquarters

DE

Company overview

MCI COMMUNICATIONS CORP

MCI COMMUNICATIONS CORP is a legacy telecommunications company whose core services historically focused on long-haul voice, data, and managed networking solutions for enterprise and carrier customers navigating the high-volume, high-reliability demands of the telecommunications industry (SIC 4812). Though its current industry positioning and latest filing status remain unspecified, the firm still serves large corporations, complex service providers, and government entities seeking resilient connectivity, while tightly managing risks tied to regulatory scrutiny, spectrum allocation, and capital-intensive infrastructure upgrades; any material shifts in those areas could affect service delivery or compliance posture. MCI’s product mix is designed to blend wholesale backbone capacity with managed voice and data transport, giving clients a single partner for mission-critical communications. As the firm continues to operate within an environment rife with evolving FCC rules and cybersecurity mandates, stakeholders will want to track developments closely, and they can view live SEC filings on Earnings Feed.

Source: Earnings Feed research · last updated 11/24/2025

Recent filings

Latest submissions
2 items

Monitoring

Insider owner filings
Yes
Insider issuer filings
No
Tickers on record
0

Ticker roster

No tickers on record.

Addresses

  • business

    22001 LOUDOUN COUNTY PARKWAY

    ASHBURN, VA, 20147

  • mailing

    22001 LOUDOUN COUNTY PARKWAY

    ASHBURN, VA, 20147