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Toll-free telephone numbers in the North American Numbering Plan have the area code prefix 800, 833, 844, 855, 866, 877, or 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.
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.
Worldwide distribution of country calling codes. Regions are coloured by first digit. Telephone country codes, but also sometimes referred to as "country dial-in codes", or historically "international subscriber dialing" (ISD) codes in the U.K., are telephone number dialing prefixes for reaching subscribers in foreign countries or areas via international telecommunication networks.
Original article source: Identify any mystery caller for free with this phone number lookup tool. Show comments. Advertisement. Advertisement. In Other News. Entertainment. Entertainment. People.
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 ...
A telephone prefix is the first set of digits after the country, and area codes of a telephone number. In the North American Numbering Plan countries (country code 1), it is the first three digits of a seven-digit local phone number, the second three digits of the 3-3-4 scheme. In other countries, both the prefix and the number may have ...
BCBS may refer to: The Basel Committee on Banking Supervision; The Blue Cross Blue Shield Association; Bishop Cotton Boys' School, in Bangalore, India; Bounds Check Bypass Store, a Spectre-NG class security vulnerability
As with a prefix code, the representation of a string as a concatenation of such words is unique. A bifix code is a set of words which is both a prefix and a suffix code. [8] An optimal prefix code is a prefix code with minimal average length. That is, assume an alphabet of n symbols with probabilities () for a prefix code C.