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

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

    In the early 1980s, Bell Labs received a patent for what became AT&T's "Advanced 800 Service", a computer-controlled system where any toll-free number could point to any destination number, such as to a small business local number instead of a special InWATS line, and an itemized bill generated only for the calls the business actually received.

  3. Telephone numbers in Canada - Wikipedia

    en.wikipedia.org/wiki/Telephone_numbers_in_Canada

    The Government of Canada's Translation Bureau recommends using hyphens between groups; e.g. 250-555-0199. [4] Using the format specified by the International Telecommunication Union (ITU) in Recommendation E.164 for telephone numbers, a Canadian number is written as +1NPANXXXXXX, with no spaces, hyphens, or other characters; e.g. +12505550199.

  4. Toll-free telephone number - Wikipedia

    en.wikipedia.org/wiki/Toll-free_telephone_number

    The Dominican Republic is assigned specific 1‑800 exchanges in the North American Numbering Plan; the 1-809-200-xxxx exchange is also free for domestic callers in that country. In Egypt, it starts with "0800" followed by a seven-digit number. Unavailable via cellphones. In Ecuador, it starts with "1800" followed by a 6-digit number. Some ...

  5. Mobile network codes in ITU region 3xx (North America)

    en.wikipedia.org/wiki/Mobile_network_codes_in...

    GSM 900 / GSM 1800 / GSM 1900 / UMTS 2100 / LTE 1800 / TDMA 800 ... Former Blue Canada Wireless [43] [44] [45 ... Used in IMSI to identify Bell subscribers on shared ...

  6. Automatic number announcement circuit - Wikipedia

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

    Many area codes reserved 999; 320 was also formerly reserved in Bell Canada territory. Other carrier-specific North American test numbers include 555-XXXX numbers (such as 555–0311 on Rogers Communications in Canada) or vertical service codes , such as *99 on Cablevision/Optimum Voice in the United States.

  7. 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; [6] 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 ...

  8. AOL Mail

    mail.aol.com

    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  9. Automatic number identification - Wikipedia

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

    Modern toll-free telephone numbers, which generate itemized billing of all calls received instead of relying on the special fixed-rate trunks of the Bell System's original Inward WATS service, depend on ANI to track inbound calls to numbers in special area codes such as +1-800, 888, 877, 866, 855, 844, and 833 with 822 reserved for future toll free use (United States and Canada), 1800 ...