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  2. Blue Cross Blue Shield Association - Wikipedia

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

    In 1982, Blue Shield merged with The Blue Cross Association to form the Blue Cross and Blue Shield Association (BCBS). [11] Prior to 1986, organizations administering BCBS were tax exempt under 501(c)(4) as social welfare plans. The Tax Reform Act of 1986 revoked the exemption, however, because the plans sold commercial-type insurance.

  3. List of Illinois area codes - Wikipedia

    en.wikipedia.org/wiki/List_of_Illinois_area_codes

    This is a list of the area codes in the state of Illinois and its numbering plan areas in the North American Numbering Plan.. All NPAs within Illinois. 217/447: Central Illinois, including the region running west from the Illinois-Indiana border through Danville, Effingham, Champaign–Urbana, Decatur, Springfield, Quincy until Illinois' western border with Missouri and Iowa

  4. List of U.S. state and territory abbreviations - Wikipedia

    en.wikipedia.org/wiki/List_of_U.S._state_and...

    The U.S. Coast Guard (USCG) uses a set of two-letter prefixes for vessel numbers; [18] 39 states and the District of Columbia have the same USPS and USCG abbreviations. USCG prefixes have also been established for five outlying territories; all are the same as the USPS abbreviations except the Mariana Islands.

  5. Health Care Service Corporation - Wikipedia

    en.wikipedia.org/wiki/Health_Care_Service...

    The company was founded in 1936 and is based in Chicago, Illinois with a network of offices in the United States. Health Care Service Corporation is the licensee of the Blue Cross and Blue Shield Association for five states. It concentrates its operations in Illinois, Montana, New Mexico, Oklahoma, and Texas.

  6. BCBS - Wikipedia

    en.wikipedia.org/wiki/Bcbs

    BCBS may refer to: The Basel Committee on Banking Supervision; The Blue Cross Blue Shield Association; Bishop Cotton Boys' School, in Bangalore, India;

  7. Original North American area codes - Wikipedia

    en.wikipedia.org/wiki/Original_North_American...

    For most cities, this conversion required the addition of extra digits or letters to the existing central office prefix. For example, the Atlantic City, New Jersey, telephone number 4-5876 was converted to AT4-5876 during the 1950s. Complete replacement of existing prefixes was necessary in the case of conflicts with another office in the state.

  8. Wellmark Blue Cross Blue Shield - Wikipedia

    en.wikipedia.org/wiki/Wellmark_Blue_Cross_Blue...

    Wellmark is headquartered in downtown Des Moines and Sioux Falls. It has 1707 employees in Iowa and 171 in South Dakota. [5] It consists of Wellmark Blue Cross and Blue Shield of Iowa, Wellmark of South Dakota, Inc. (doing business as Wellmark Blue Cross and Blue Shield of South Dakota) and Wellmark Health Plan of Iowa, Inc. [5] The Wellmark Foundation is a private foundation to support health ...

  9. Area codes 815 and 779 - Wikipedia

    en.wikipedia.org/wiki/Area_codes_815_and_779

    It was the only new area code created in Illinois between 1947 and the 1989 creation of area code 708. [2] In preparation of an overlay plan with the new area code 779, all calls from the 815 area needed to be dialed with an area code beginning on February 17, 2007. A month later, area code 779 was activated.