ATT Illinois Customer Service Number

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Find Official Address of ATT Illinois:

70 West Madison Street, Chicago, Illinois, United States

Send your email to ATT Illinois at the above address or you can personally visit the place on the given address.

The Email Address to Send Email to ATT Illinois:

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Call ATT Illinois on the Helpline Number:

+1 312-263-1799 (Call by Touch)

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What is ATT Illinois?

AT&T Illinois is one of the operational areas of At&T Inc., which is a public telecommunication service provider company. It was established on 5th of October, 1983. The headquarters of the AT&T is situated at Texas, United States of America. It was founded by the inventor of the telephone Alexander Graham Bell. The predecessors of the company was American Telephone and Telegraph Company. Some of the main subsidiaries of the company are AT&T Corporation, AT&T Mobility, BellSouth, Southwestern Bell, AT&T Teleholdings and Cricket Wireless.

Products of AT&T Illinois

There are several different products which are contained in the portfolio of the company such as fixed line, Mobile telephony, broadband, fixed-line internet services and digital television.

About AT&T Illinois

AT&T is regarded as America’s seventh largest company with more than 106 million mobile customers. Randall Stephenson is the Chairman and Chief Executive Officer of the company. It has over 242,000 employees. The company's services include internet access, telephony, broadband service, digital television, cable television service, landline phone services, etc. AT&T Inc. also offers online bill pay service through its . The company is registered on the New York Stock Exchange for public trading and is also an active component of S&P 500.

Headquarters Address of AT&T Illinois

The headquarters of the company is located in Texas, United States and the permanent address of the company's headquarters is 208 South Akard Street, Dallas, Texas 75202, United States. The Illinois address of the company is 70 West Madison Street, Chicago, Illinois, United States.

Web Portal of AT&T

The official online of the company is The customers can visit the for any query or detailed information related to the company.

Customer Service Number of AT&T

The customer service number of the company is +1 312-263-1799.
The customers can call this number to talk to the customer service representatives of the company regarding any inquiry or complaint.

Additional Contact Numbers of AT&T

Corporate Phone Number- 1-210-821-4105.
Technical Support Number- 888.932.4678.
Billing Question Number- 888.932.4678.
Sales Question Number- 888.932.4678.

Social Links of AT&T

Facebook page of the ATT Illinois

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Linkedin of the ATT Illinois

Contact ATT Illinois

ATT Illinois resides at 70 West Madison Street, Chicago, Illinois, United States provides here all the necessory details like helpDesk helpline numbers i.e. +1 312-263-1799 by which customers can reach to ATT Illinois easily. Here on this page you can get customer service toll free helpline number of ATT Illinois.
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ATT Illinois Phone Number, Contact Address, Customer Service