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

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

   Toll-free telephone numbers in the North American Numbering Plan. Toll-free telephone numbers in the North American Numbering Plan have the area code prefix 800, 833, 844, 855, 866, 877, and 888. Additionally, area codes 822, 880 through 887, and 889 are reserved for toll-free use in the future. 811 is excluded because it is a special dialing ...

3. Toll-free telephone number - Wikipedia

   en.wikipedia.org/wiki/Toll-free_telephone_number

   Toll-free telephone number. A toll-free telephone number or freephone number is a telephone number that is billed for all arriving calls. For the calling party, a call to a toll-free number from a landline is free of charge. A toll-free number is identified by a dialing prefix similar to an area code.

4. 1-800-COLLECT - Wikipedia

   en.wikipedia.org/wiki/1-800-COLLECT

   The numerical translation for 1-800-OPERATER (1-800-673-7283) was, at the time, assigned for routing to the MCI network, which capitalized on the large number of spelling errors by connecting those calls to 1-800-COLLECT. After several months, AT&T realized they were inadvertently directing a portion of their business to MCI and terminated the ...

5. Automatic number identification - Wikipedia

   en.wikipedia.org/wiki/Automatic_number...

   Automatic number identification (ANI) [1][2] is a feature of a telecommunications network for automatically determining the origination telephone number on toll calls for billing purposes. Automatic number identification was originally created by the American Telephone and Telegraph Company (AT&T) for long distance service in the Bell System ...

6. Contact AOL customer support

   help.aol.com/articles/account-management...

   GET. Mail. Call live aol support at. 1-800-358-4860. Get live expert help with your AOL needs—from email and passwords, technical questions, mobile email and more.

7. History of AT&T - Wikipedia

   en.wikipedia.org/wiki/History_of_AT&T

   The history of AT&T dates back to the invention of the telephone. The Bell Telephone Company was established in 1877 by Alexander Graham Bell, who obtained the first US patent for the telephone, and his father-in-law, Gardiner Greene Hubbard. Bell and Hubbard also established American Telephone and Telegraph Company in 1885, which acquired the ...

8. Wide Area Telephone Service - Wikipedia

   en.wikipedia.org/wiki/Wide_Area_Telephone_Service

   Initially 1‑800‑NN2‑XXXX numbers were U.S. intrastate and specific prefixes (such as 1‑800‑387 Toronto and 1‑800‑267 Ottawa) were assigned to Canada. [7] In the 1970s, AT&T's internal routing guides included separate U.S. and Canadian 1-800 exchange maps which looked much like area code maps [ 8 ] as each geographic area code had ...

9. Collect call - Wikipedia

   en.wikipedia.org/wiki/Collect_call

   AT&T similarly discontinued its collect call services for the United States. [ 17 ] 1-800-COLLECT remains operational. Prior to the introduction of the toll-free 800 area code in 1967, a Zenith number (in the U.S. and Canada) or an enterprise number (in the U.S. only) would indicate to an operator that the business agreed to automatically ...