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  2. Unique identifier - Wikipedia

    en.wikipedia.org/wiki/Unique_identifier

    There are some main types of unique identifiers, [1] each corresponding to a different generation strategy: serial numbers, assigned incrementally or sequentially, by a central authority or accepted reference. random numbers, selected from a number space much larger than the maximum (or expected) number of objects to be identified. Although not ...

  3. Taxpayer Identification Number - Wikipedia

    en.wikipedia.org/wiki/Taxpayer_Identification_Number

    A Taxpayer Identification Number (TIN) is an identifying number used for tax purposes in the United States and in other countries under the Common Reporting Standard. In the United States it is also known as a Tax Identification Number ( TIN ) or Federal Taxpayer Identification Number ( FTIN ).

  4. Your Social Security number may not be unique to you - AOL

    www.aol.com/news/2010-08-12-your-social-security...

    How many times do companies use your Social Security number as the unique identifier for you? Your doctor, bank, employer, all depend on the number for billing and recording transactions. A ...

  5. 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 ...

  6. Employer Identification Number - Wikipedia

    en.wikipedia.org/wiki/Employer_Identification_Number

    The Employer Identification Number (EIN), also known as the Federal Employer Identification Number (FEIN) or the Federal Tax Identification Number (FTIN), is a unique nine-digit number assigned by the Internal Revenue Service (IRS) to business entities operating in the United States for the purposes of identification. When the number is used ...

  7. National identification number - Wikipedia

    en.wikipedia.org/wiki/National_identification_number

    The Albanian Identity Number is a unique personal identification number of 10 characters in the format YYMMDDSSSC, where YYMMDD indicates the date of birth and sex (for males MM is 01–12, for females 50 is added to the month of birth so that MM is 51–62), SSS is a sequence number of persons born on the same date (001–999), and C is a ...

  8. AOL Mail

    mail.aol.com

    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  9. Data Universal Numbering System - Wikipedia

    en.wikipedia.org/wiki/Data_Universal_Numbering...

    The Data Universal Numbering System, abbreviated as DUNS or D-U-N-S, is a proprietary system developed and managed by Dun & Bradstreet (D&B) that assigns a unique numeric identifier, referred to as a "DUNS number" to a single business entity. It was introduced in 1963 to support D&B's credit reporting practice.