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  2. National Provider Identifier - Wikipedia

    en.wikipedia.org/wiki/National_Provider_Identifier

    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 ...

  3. Telephone numbers in Mexico - Wikipedia

    en.wikipedia.org/wiki/Telephone_numbers_in_Mexico

    Telephone numbers in Mexico are regulated by the Federal Telecommunications Institute, an independent government agency of Mexico. The agency published the Fundamental Technical Plan for Numbering ( Plan Técnico Fundamental de Numeración ) on May 11, 2013. [ 1 ]

  4. Telephone numbers in Guatemala - Wikipedia

    en.wikipedia.org/wiki/Telephone_numbers_in_Guatemala

    Within each area, there are different service providers. The following 3 digits indicate the service provider. However, their assignment is on a first-come first-served basis. Additionally, the same service provider has different numbers in each of the 5 telephone types, and those numbers are not contiguous.

  5. Enhanced 911 - Wikipedia

    en.wikipedia.org/wiki/Enhanced_911

    The caller's phone number is known as an ANI. The database relating ANIs to addresses is known as ALI (Automatic Location Identification). The router then uses the address to search in the MSAG for the Emergency Service Number (ESN) of the appropriate PSAP for that area and connects the call to it. [5] [6]

  6. Telephone numbers in Israel - Wikipedia

    en.wikipedia.org/wiki/Telephone_numbers_in_Israel

    In 1965, many Israeli phone numbers had six digits, but some had five, according to the Tel Aviv–area phone book. [1] There were ten area codes at that time: 02 Jerusalem, Bet Shemesh; 03 Tel Aviv, Petah Tikva, Rehovot, Ashdod; 04 Haifa and western Galilee; 051 Ashkelon; 053 Netanya; 057 Beersheva and most of the Negev; 059 Eilat; 065 Afula, Nazareth; 063 Hadera, Zichron Yaakov; and 067 ...

  7. Telephone numbers in Australia - Wikipedia

    en.wikipedia.org/wiki/Telephone_numbers_in_Australia

    Within Australia, dialing a number in another area requires dialing the trunk code 0, followed by the area code, and then the local number.. In major centres, the first four digits specify the CCA (Call Collection Area, also known as an exchange), and the remaining digits specify a number at that exchange, up to 10,000 of which may be connected.

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