Private company
Illinois Bell
Logo: Drawn by The Navigators ., Public domain, via Wikimedia Commons3
Telecommunications utility company in Illinois, USA
Illinois Bell Telephone Company, LLC is the Bell Operating Company serving Illinois.2 It is headquartered in Chicago.1 It is part of AT&T.1 Wikipedia text CC BY-SA 4.0
Last updated Oct 21, 2026.
Overview
1881Founded1
- Industrytelecommunications, telecommunications industry1
- HeadquartersChicago1
- Websitewww.att.com
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Illinois Bell Telephone Company, LLC is the Bell Operating Company serving Illinois.2
Products and brands
- telephone
Listed on Wikidata.1
Subsidiaries and ownership
Former owners and parents
- AT&T 1899 to 1983
From Wikidata.1
Timeline
Links
- Websitewww.att.com1
- WikipediaIllinois Bell
- WikidataQ5999344
Sources
The numbers on this page point here. Each one links to the record it came from.
- 1WikidataIllinois Bell on Wikidata
- 2WikipediaIllinois Bell on Wikipedia
- 3Wikimedia CommonsIllinois Bell logo by Drawn by The Navigators ., Public domain