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1. T - AT&T Inc.

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   17.12-0.15 (-0.87%)

   at Wed, May 29, 2024, 4:00PM EDT - U.S. markets open in 9 hours

   Delayed Quote

   • Open 17.25
   • High 17.31
   • Low 17.11
   • Prev. Close 17.27

   • 52 Wk. High 18.16
   • 52 Wk. Low 13.43
   • P/E 9.20
   • Mkt. Cap 122.75B

   • NYSE
   • •Price in USD

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3. AT&T Mobility - Wikipedia

   en.wikipedia.org/wiki/AT&T_Mobility

   AT&T Mobility, LLC, also known as AT&T Wireless and marketed as simply AT&T, is an American telecommunications company. It is a wholly owned subsidiary of AT&T Inc. and provides wireless services in the United States. AT&T Mobility is the largest wireless carrier in the United States, with 241.5 million subscribers as of December 31, 2023.

4. Toll-free telephone number - Wikipedia

   en.wikipedia.org/wiki/Toll-free_telephone_number

   An automated toll-free service was introduced by AT&T in 1966 (US intrastate) and 1967 (US interstate) as an alternative to operator-assisted collect calling and manual "Zenith" or "Enterprise" numbers.

5. Toll-free telephone numbers in the North American Numbering ...

   en.wikipedia.org/wiki/Toll-free_telephone...

   In the United States, both interexchange carriers (IXCs) such as Sprint, AT&T Inc., and Verizon, and Local Exchange Carriers (LECs) such as Verizon and AT&T offer toll-free services. [2] [3] The way that a toll-free number is handled depends on whether it is a domestic or an interexchange call.

6. North American Numbering Plan - Wikipedia

   en.wikipedia.org/wiki/North_American_Numbering_Plan

   In 1947, AT&T completed the new design for a nationwide toll network that established the original North American area codes. The new numbering plan provided for 152 area codes, each with a capacity to serve as many as 540 central offices. Originally, only eighty-six area codes were assigned.

7. AT&T restores service after hours of outage - AOL

   www.aol.com/news/cellular-outage-us-hits-t...

   (Reuters) -AT&T said late on Thursday an outage that disrupted calls and text messages for thousands of U.S. users and prompted federal investigations was not caused by a cyberattack.

8. Directory assistance - Wikipedia

   en.wikipedia.org/wiki/Directory_assistance

   Toll-free directory assistance was provided by telecommunication providers, namely AT&T and Verizon, as mandated by the Federal Communications Commission. Companies requested to have their toll-free number listed, and paid the providers each time their phone number was released to a toll-free directory-assistance caller.