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  2. List of California area codes - Wikipedia

    en.wikipedia.org/wiki/List_of_California_area_codes

    The state of California was divided into three numbering plan areas (NPAs) with distinct area codes: 213, 415, and 916, for the southern, central, and northern parts of the state, respectively. [ 1 ] In 1950, the boundaries of the numbering plan area were redrawn to produce a division of the northern and central parts along a north–south ...

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

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

    Some geographic area codes are similar to the toll-free codes, e.g., 801, 818, 860. Toll-free numbers are also sometimes confused with 900-numbers, for which the telephone company bills the callers at rates far in excess of long-distance service rates for services such as recorded information or live chat.

  4. Blue Cross Blue Shield Association - Wikipedia

    en.wikipedia.org/wiki/Blue_Cross_Blue_Shield...

    Founded in 1948, [26] Arkansas Blue Cross Blue Shield (ABCBS) [27] is an independent licensee of the Blue Cross Blue Shield Association, and the largest healthcare provider in the state. [28] It donated $1.98 million to The Walton College of Business toward founding its Robert L. Shoptaw Master of Healthcare Business Analytics Program. [ 29 ]

  5. North American Numbering Plan - Wikipedia

    en.wikipedia.org/wiki/North_American_Numbering_Plan

    The first NXX block is the numbering plan area code. When the second and third digits are the same, the code is an easily recognizable code (ERC). ERCs designate special services; e.g., 800 for toll-free service. The NANP is not assigning area codes with 9 as the second digit. [37]

  6. Area codes 916 and 279 - Wikipedia

    en.wikipedia.org/wiki/Area_codes_916_and_279

    Numbering plan areas in California (blue) and border states. This map is clickable; click on any region shown to visit the page for those area codes.Area code 916 is shown in red. Area codes 916 and 279 are California telephone area codes that serve Sacramento, the state capital, and most of its suburbs. Area code 916 was one of the first three ...

  7. List of United States telephone companies - Wikipedia

    en.wikipedia.org/wiki/List_of_United_States...

    In the following states and regions, the primary local carrier is not an RBOC: Lumen Technologies, in addition to its role as the BOC in the areas of 14 states gained from its acquisition of Qwest, Lumen serves other non-ex-Bell local exchanges in those states, as well as some in Florida and the Las Vegas metropolitan area in Nevada.

  8. List of mobile virtual network operators in the United States

    en.wikipedia.org/wiki/List_of_mobile_virtual...

    Apple eSIM supported Worldwide Service Provider [613] Truphone: T-Mobile: GSM & UMTS: Apple eSIM supported Worldwide Service Provider [613] Ubigi: Various: Various: Apple/Android/Windows and Connected Car eSIM Supported. Pronounced You-bee-gee. Subsidiary of Transatel. Operates on MNC 901-37. /> Saily Various 4G/5G

  9. Interexchange carrier - Wikipedia

    en.wikipedia.org/wiki/Interexchange_carrier

    Each carrier (interexchange or local exchange) is assigned a four-digit identification code, the carrier identification code (CIC) which was used with feature groups. The interexchange carrier to which calls from a subscriber line are routed by default is known as the presubscribed interexchange carrier ( PIC ).