About At&t Teleholdings Inc.
At&t Teleholdings Inc. is a Telecom company, headquartered in Chicago, with 10,001+ employees and annual revenue of $1B+.
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At&t Teleholdings Inc. Company Highlights
Phone Number
(210) 821-xxxx
Corporate Office Address
30 South Wacker Drive
Chicago, 60606
Website
At&t Teleholdings Inc. Email Format
The most common At&t Teleholdings Inc. email format is [first].[last] (ex. john.doe@ameritech.com), currently being used by 84% of At&t Teleholdings Inc. business email addresses. There are 22 email formats used by At&t Teleholdings Inc..
At&t Teleholdings Inc. Org
At&t Teleholdings Inc. has 1 Director, 4 Senior, and 2 Mid-Level employees.
At&t Teleholdings Inc.'s Tech Stack
Frequently Asked Questions About
At&t Teleholdings Inc.
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How many senior employees does At&t Teleholdings Inc. have?
At&t Teleholdings Inc. has 5 senior employees that are typically used for decision making.
What email format does At&t Teleholdings Inc. use?
The most common At&t Teleholdings Inc. email format is {first}.{last} (e.g. john.doe@ameritech.com).
What technologies does At&t Teleholdings Inc. use?
At&t Teleholdings Inc. uses technologies including Adobe Dynamic Tag Management, Akamai, and Amazon CloudFront.
How do I contact At&t Teleholdings Inc.?
To contact At&t Teleholdings Inc., visit ameritech.com.
Where is At&t Teleholdings Inc. headquartered?
At&t Teleholdings Inc. is headquartered at 30 South Wacker Drive, Chicago.
What is the main phone number for At&t Teleholdings Inc.?
The main phone number for At&t Teleholdings Inc. is (210) 821-xxxx.
What is the official website for At&t Teleholdings Inc.?
The official website for At&t Teleholdings Inc. is ameritech.com.
What is the annual revenue of At&t Teleholdings Inc.?
The annual revenue of At&t Teleholdings Inc. is $1B+.
How many employees does At&t Teleholdings Inc. have?
At&t Teleholdings Inc. has 10,001+ employees.
What industry is At&t Teleholdings Inc. in?
At&t Teleholdings Inc. is in the Telecom industry.
Last updated: September 28, 2025