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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.
Premera Blue Cross is a not-for-profit Blue Cross Blue Shield licensed health insurance company based in Mountlake Terrace, Washington, United States. It sells health insurance plans under the Blue Cross license in Washington state except Clark County and under both of the Blue Cross and Blue Shield licenses in Alaska .
With Arkansas being relatively sparsely populated, this arrangement worked well until 1997, when the phone numbers in area code 501 were in danger of being used up. Area code 870 was created in April 1997 to serve the most rural parts of the state (originally specifically not Little Rock metro, Fort Smith or Northwest Arkansas). In January 2002 ...
The rarely used non-geographic area code 600 is an exception to this pattern (non-portable, and allows caller-pays-airtime satellite telephony); some independent landline exchanges are also non-portable. Mobile phone providers are general free to support any wireless standards with either CDMA or GSM; both are being supplanted by UMTS.
The numbering plan area begins just north and east of the Dallas–Fort Worth metroplex, and extends to the Oklahoma, Arkansas, and Louisiana state borders. Area code 903 was created November 4, 1990 in a split of area code 214. Area code 430 was assigned to the same service area on February 15, 2003 in creation of an overlay. Before October 18 ...
In 1947, when the American Telephone and Telegraph Company (AT&T) devised the first nationwide telephone numbering plan and assigned the original North American area codes, the state of California was divided into three numbering plan areas: 213, 415, and 916, for the southern, central, and northern parts of the state, respectively. [1]
Cambia Health Solutions is a nonprofit health care company based in Portland, Oregon. [2] It is the parent company of Regence, a member of the Blue Cross Blue Shield Association operating in Oregon, Idaho, Utah, and Washington; Asuris Northwest Health; BridgeSpan Health; and LifeMap.
A National Provider Identifier (NPI) is a unique 10-digit identification number issued to health care providers in the United States by the Centers for Medicare and Medicaid Services (CMS). The NPI has replaced the Unique Physician Identification Number (UPIN) as the required identifier for Medicare services, and is used by other payers ...