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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. N550 - Wikipedia

    en.wikipedia.org/wiki/N550

    This page was last edited on 10 January 2024, at 15:56 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.

  4. Number Portability Administration Center - Wikipedia

    en.wikipedia.org/wiki/Number_Portability...

    The Number Portability Administration Center (NPAC) is a function of the Federal Communications Commission (FCC) in the United States. It administers the routing of telephone calls and text messages (SMS) for the telecommunications industry and its customers in the regions of the North American Numbering Plan . [ 1 ]

  5. How to Do a Free Reverse Phone Lookup & the 8 Best ... - AOL

    www.aol.com/finance/free-reverse-phone-lookup-8...

    The site enables you to find more than just reverse lookup names; you can search for addresses, phone numbers and email addresses. BestPeopleFinder gets all its data from official public, state ...

  6. Mobile number portability - Wikipedia

    en.wikipedia.org/wiki/Mobile_number_portability

    A key technical aspect of Mobile Number Portability (MNP) involves the routing of calls or mobile messages (SMS, MMS) to a number once it has been ported.Various call routing implementations exist globally, but the International and European best practice employs a central database (CDB) of ported numbers.

  7. United States Citizenship and Immigration Services - Wikipedia

    en.wikipedia.org/wiki/United_States_Citizenship...

    USCIS's website contains self-service tools, including a case status checker and address change request form. Applicants, petitioners, and their authorized representatives can also submit case inquiries and service requests on USCIS's website. The inquiries and requests are routed to the relevant USCIS center or office to process.

  8. NIGP Code - Wikipedia

    en.wikipedia.org/wiki/NIGP_Code

    The NIGP Code can be accessed in several ways. The most common is via the NIGP Code web search tool, the NIGP Living Code, which hosts a search engine for the Code for end users. The site also has a download section, which provides for end user download of the entire codeset or modifications to the codeset since the last download by the user.

  9. Reverse telephone directory - Wikipedia

    en.wikipedia.org/wiki/Reverse_telephone_directory

    Some forms of city directories provide this form of lookup for listed services by phone number, along with address cross-referencing. Publicly accessible reverse telephone directories may be provided as part of the standard directory services from the telecommunications carrier in some countries.