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The current list of FIRs and ACCs is maintained by the International Civil Aviation Organization (ICAO). [1] Note that the cited ICAO source gives the shapefile coordinates for each FIR, and also its page source gives a list of current ACCs in text form. The following is the alphabetic list of all ACCs and their FIRs as of October 2011:
Clickable map of Arizona area codes in blue (and border states) The U.S. state of Arizona is served by five telephone area codes in three numbering plan areas: Area codes 602, 480, and 623 serve the Phoenix metropolitan area. The three area codes were recombined in 2023 into an overlay complex after a 1999 split:
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 ...
Telephone number verification (or validation) services are online services used to establish whether a given telephone number is in service. They may include a form of Turing test to further determine if a human answers or answering equipment such as a modem , fax , voice mMail or answering machine .
FIRs are the largest regular division of airspace in use in the world today, and have existed at least since 1947. [2] [3] Smaller countries' airspace is encompassed by a single FIR; larger countries' airspace is subdivided into a number of regional FIRs. [4] [5] Some FIRs encompass the territorial airspace of several countries. [6]
Consolidated Communications, in addition to access lines in Maine, New Hampshire, and Vermont, in Northern New England which it gained from its acquisition of FairPoint, also serves rural areas in a combined total of 22 states. [2] Telephone and Data Systems, (through its subsidiary TDS) serves mainly rural areas in parts of 36 states. [3]
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You may improve this article, discuss the issue on the talk page, or create a new article, as appropriate. ( September 2015 ) ( Learn how and when to remove this message ) Postal address verification (also known as address , address validation , address verification and CASS certification [ 1 ] ) is the process used to check the validity and ...