ISP & Telecom Directory · United States

Southwestern Bell Telephone Company, LLC

Southwestern Bell Telephone Company, LLC is an Incumbent LEC in United States, listed in the FCC register. The contact details below are reproduced from that register as of August 2026; verify against the live register before serving legal process.

Southwestern Bell Telephone Company, LLC

Incumbent LEC

Also known as: AT&T Southwest, AT&T Wholesale, AT&T Arkansas, AT&T Kansas, AT&T Missouri, AT&T Oklahoma, AT&T Texas, AT&T DataComm

Agent for service of process: Glenis McKoy, Southwestern Bell Telephone, 601 New Jersey Avenue, NW, Suite 400, Washington, DC, 20001
Agent phone / fax: (202) 457-3852
Agent email: [email protected]
Headquarters: 208 S Akard St, Dallas, TX, 75202
Customer inquiries: (800) 288-2020
Holding company: AT&T, Inc.
States served (5): Arkansas, Kansas, Missouri, Oklahoma, Texas
FCC 499 Filer ID: 805767
Last filing: 4/1/2026

Sending a lawful request to Southwestern Bell Telephone Company, LLC

Serve subpoenas, court orders and preservation letters on the agent for service of process named below; registered-agent firms forward to the company's legal team. Requests from outside the United States go through the MLAT or CLOUD Act route. For the procedure and legal basis in United States, see the investigator guides; for platform and app data requests, the LERS portal guides.

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Source: FCC Form 499 Filer Database. Independent reference for study and investigative use; Ministry of Cyber Affairs is not a government body and does not represent Southwestern Bell Telephone Company, LLC. Names and contact details are reproduced as published by the regulator.