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  2. Toll-free telephone number - Wikipedia

    en.wikipedia.org/wiki/Toll-free_telephone_number

    Toll-free numbers in the North American Numbering Plan (NANP) are commonly called "800-numbers" after the first area code assigned for the service. Today, several prefixes are used: 800 (since January 1, 1966), 888 (since March 1, 1996), 877 (since April 4, 1998), 866 (since July 29, 2000), 855 (since October 9, 2010), [36] 844 (since December ...

  3. 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 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 code in the group NXX for various other purposes.

  4. Wide Area Telephone Service - Wikipedia

    en.wikipedia.org/wiki/Wide_Area_Telephone_Service

    Sheraton's 800‑325‑3535, one of the notable early adopters in late 1969, was hard-wired into St. Louis area code 314; 1‑800‑HOLIDAY at that time could not be a U.S. number if the 1‑800‑465 prefix was hard-wired to Thunder Bay's area code 807. Any attempt to call a foreign 1‑800 gave a pre-recorded error, "the number you have ...

  5. Lester Wunderman - Wikipedia

    en.wikipedia.org/wiki/Lester_Wunderman

    Lester Wunderman (June 22, 1920 – January 9, 2019) was an American advertising executive widely considered the creator of modern-day direct marketing. His innovations included the magazine subscription card, the toll-free 1-800 number, loyalty rewards programs, and many more.

  6. History of the telephone in the United States - Wikipedia

    en.wikipedia.org/wiki/History_of_the_telephone...

    Private conversation, 1910. Historian John Brooks argues that the telephone created "a new habit of mind--a habit of tenseness and alertness, of demanding and expecting immediate results, whether in business, love or other forms of social intercourse." [70] The telephone was instrumental to modernization.

  7. RespOrg - Wikipedia

    en.wikipedia.org/wiki/RespOrg

    RespOrg. A RespOrg, or responsible organization, is a company that maintains the registration for individual toll-free telephone numbers In the North American Numbering Plan by means of the distributed Service Management System/800 database.

  8. Telephone numbering plan - Wikipedia

    en.wikipedia.org/wiki/Telephone_numbering_plan

    In the United States, the industry decided in 1947 to unite all local telephone networks under one common numbering plan with a fixed length of ten digits for the national telephone number of each telephone, of which the last seven digits were known as the local directory number, or subscriber number.

  9. Directory assistance - Wikipedia

    en.wikipedia.org/wiki/Directory_assistance

    Toll-free directory assistance. In the U.S., directory assistance for companies with toll-free "800 numbers" (with area codes 800, 833, 844, 855, 866, 877, and 888) was available from toll-free directory assistance, reachable by dialing 1-800-555-1212, for many decades until it was discontinued in 2020.

  10. Telephone number - Wikipedia

    en.wikipedia.org/wiki/Telephone_number

    A telephone number serves as an address for switching telephone calls using a system of destination code routing. [1] Telephone numbers are entered or dialed by a calling party on the originating telephone set, which transmits the sequence of digits in the process of signaling to a telephone exchange.

  11. Automatic number identification - Wikipedia

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

    Automatic number identification (ANI) is a feature of a telecommunications network for automatically determining the origination telephone number on toll calls for billing purposes.