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  2. List of Louisiana area codes - Wikipedia

    en.wikipedia.org/wiki/List_of_Louisiana_area_codes

    The state of Louisiana is served by the following area codes: 225, which serves the Baton Rouge area and parts of south central Louisiana; 318, which serves northern Louisiana; 337, which serves southwestern Louisiana; 504, which serves the New Orleans area; 985, which serves the sections of southeast Louisiana which are not within the 504 area ...

  3. National Provider Identifier - Wikipedia

    en.wikipedia.org/wiki/National_Provider_Identifier

    The NPI is a 10-position, intelligence-free numeric identifier (10-digit number). This means that the numbers do not carry other information about healthcare providers, such as the state in which they live or their medical specialty. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions.

  4. List of North American Numbering Plan area codes - Wikipedia

    en.wikipedia.org/wiki/List_of_North_American...

    2023: returned to the pool of area codes available for future area code relief; 457: Louisiana (Shreveport–Bossier City, Monroe, Alexandria, Fisher, Tallulah, and most of northern Louisiana) September 25, 2025 [3] to be overlaid on 318; previously a fictitious area code assigned to identify Naked DSL/Dry Loop and dedicated data lines in ...

  5. 30 Scam Phone Numbers To Block and Area Codes To Avoid - AOL

    www.aol.com/19-dangerous-scam-phone-numbers...

    Look at the area code: Start by comparing the phone number’s area code to the list of area codes you should never answer. If it’s on the list, there’s a good chance there’s a scammer on ...

  6. North American Numbering Plan expansion - Wikipedia

    en.wikipedia.org/wiki/North_American_Numbering...

    In NANP telephone number specifications, the letter N represents a numeral from 2 through 9, while the letter X represents any numeral. Thus, NXX is a number from 200 through 999, while XXXX is a range from 0000 through 9999. The first three digits of a telephone number are the numbering plan area code (NPA code, or simply NPA).

  7. Area codes 609 and 640 - Wikipedia

    en.wikipedia.org/wiki/Area_codes_609_and_640

    Area codes 609 and 640 are telephone overlay area codes in the North American Numbering Plan (NANP) for the central and southern parts of the U.S. state of New Jersey. The numbering plan area includes the cities of Trenton , Princeton , Ewing , Hamilton , and southeastern parts of the state and the Jersey Shore , including Atlantic City and ...

  8. Area code 504 - Wikipedia

    en.wikipedia.org/wiki/Area_code_504

    Area code 504 as of after 2007. Area code 504 as of 1947–1957. Area code 504 is a telephone area code that covers greater New Orleans, Louisiana. Besides New Orleans itself (Orleans Parish), it includes all of St. Bernard and Plaquemines parishes and most of Jefferson Parish. 504 was one of the original area codes created in 1947

  9. Area code 337 - Wikipedia

    en.wikipedia.org/wiki/Area_code_337

    In the North American Numbering Plan, telephone area code 337 covers southwestern Louisiana. It was created in 1999. It was created in 1999. Until 1999/2000, this area was the southern half of area code 318 , which had covered most of Louisiana west of the Mississippi River since 1957.