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

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

   T-Mobile: T-Mobile US: Operational: GSM 1900 / LTE 600 / LTE 700 / LTE 850 / LTE 1900 / LTE 1700 / LTE 2500 / 5G 600 / 5G 1900 / 5G 2500 / 5G 26000 / 5G 28000 / 5G 39000: Former Cook Inlet West Wireless, Voicestream; [142] now universal USA code. Also used for Mint Mobile, [143] Ting. [82] UMTS shut down July 2022, GSM to shut down Sep 2024 ...

4. Toll-free telephone number - Wikipedia

   en.wikipedia.org/wiki/Toll-free_telephone_number

   In Ireland, 1800-xxxxxx numbers are freephones, with the 1800 71xxxx reserved for services that expect unusually high volumes of calls (e.g. radio station phone-in lines). [ 19 ] In Israel , toll-free numbers are prefixed with "1800" followed by 6 digits (for local businesses); "180" or "189" followed by 7 digits usually refers to a free call ...

5. T-Mobile US - Wikipedia

   en.wikipedia.org/wiki/T-Mobile_US

   T-Mobile US, Inc. is an American wireless network operator headquartered in Bellevue, Washington. Its largest shareholder is Deutsche Telekom, a company that operates telecommunications networks in several other countries. T-Mobile is the second largest wireless carrier in the United States, with 127.5 million subscribers as of September 30, 2024.

6. North American Numbering Plan - Wikipedia

   en.wikipedia.org/wiki/North_American_Numbering_Plan

   In the past, this has discouraged mobile users from publishing mobile telephone numbers, but by the first decade of the 21st century, most users selected bundle pricing plans that included an allotment of minutes expected to be used in the billing period, and most U.S. carriers since offer unlimited calling plans at mass-market prices. [45]

7. List of mobile network operators of the Americas - Wikipedia

   en.wikipedia.org/wiki/List_of_mobile_network...

   Mobile virtual network operators (MVNOs) in the United States lease wireless telephone and data service from major carriers such as AT&T Mobility, T-Mobile US, or Verizon Wireless, as well as regional carrier United States Cellular Corporation for resale. The largest operator of MVNOs is TracFone Wireless with over 25 million subscribers.