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Full Description

The purpose of this document is to provide planning guidelines to NPA Relief Coordinators, affected parties and applicable regulatory authorities within affected NPAs within the North American Numbering Plan area. It lists the assumptions, constraints, and the planning principles used in NPA Code relief planning efforts. It also lists the steps of the NPA Code relief planning process and describes the alternative methods of providing NPA Code relief and their various attributes.
 

Document History

  1. ATIS 0300119(2024-03)


    Thousands-Block (NPA-NXX-X) & Central Office Code (NPA-NXX) Administration Guidelines

    • Most Recent
  2. ATIS 0300119(2023-09)


    Thousands-Block (NPA-NXX-X) & Central Office Code (NPA-NXX) Administration Guidelines

    • Historical Version
  3. ATIS 0300119(2023-06)


    Thousands-Block (NPA-NXX-X) & Central Office Code (NPA-NXX) Administration Guidelines

    • Historical Version
  4. ATIS 0300119(2023-04)


    Thousands-Block (NPA-NXX-X) & Central Office Code (NPA-NXX) Administration Guidelines

    • Historical Version
  5. ATIS 0300119(2023-03)


    Thousands-Block (NPA-NXX-X) & Central Office Code (NPA-NXX) Administration Guidelines

    • Historical Version
  6. ATIS 0300119(2022-07)


    Thousands-Block (NPA-NXX-X) & Central Office Code (NPA-NXX) Administration Guidelines

    • Historical Version
  7. ATIS 0300119(2022-04)


    Thousands-Block (NPA-NXX-X) & Central Office Code (NPA-NXX) Administration Guidelines

    • Historical Version
  8. ATIS 0300119(2021-09)


    Thousands-Block (NPA-NXX-X) & Central Office Code (NPA-NXX) Administration Guidelines (TBCOCAG)

    • Historical Version
  9. ATIS 0300119(2021-01)


    Thousands-Block (NPA-NXX-X) & Central Office Code (NPA-NXX) Assignment Guidelines (TBCOCAG)

    • Historical Version
  10. ATIS 0300119(2021-07)


    Thousands-Block (NPA-NXX-X) & Central Office Code (NPA-NXX) Assignment Guidelines (TBCOCAG)

    • Historical Version
  11. ATIS 0300119(2021-01)


    Thousands-Block (NPA-NXX-X) & Central Office Code (NPA-NXX) Assignment Guidelines (TBCOCAG)

    • Historical Version
  12. ATIS 0300119(2020-11)


    Thousands-Block (NPA-NXX-X) & Central Office Code (NPA-NXX) Administration Guidelines (TBCOCAG)

    • Historical Version
  13. ATIS 0300119(2020-07)


    Thousands-Block (NPA-NXX-X) & Central Office Code (NPA-NXX) Administration Guidelines

    • Historical Version
  14. ATIS 0300119(2020-06)


    Thousands-Block (NPA-NXX-X) & Central Office Code (NPA-NXX) Administration Guidelines (TBCOCAG)

    • Historical Version
  15. ATIS 0300119(2020-03)


    Thousands-Block (NPA-NXX-X) & Central Office Code (NPA-NXX) Administration Guidelines (TBCOCAG)

    • Historical Version
  16. ATIS 0300119(2019-10)


    Thousands-Block Number (NXX-X) Pooling Administration Guidelines (TBPAG)

    • Historical Version
  17. ATIS 0300051(2019-05)


    Central Office Code (NXX) Assignment Guidelines (COCAG)

    • Historical Version
  18. ATIS 0300066(2019-05)


    Thousands-Block Number (NXX-X) Pooling Administration Guidelines (TBPAG)

    • Historical Version
  19. ATIS 0300051(2019-04)


    Central Office Code (NXX) Assignment Guidelines (COCAG)

    • Historical Version
  20. ATIS 0300066(2019-04)


    Thousands-Block Number (NXX-X) Pooling Administration Guidelines

    • Historical Version
  21. ATIS 0300051


    Central Office Code (NXX) Assignment Guidelines (COCAG)

    • Historical Version
  22. ATIS 0300066


    Thousands-Block Number (NXX-X) Pooling Administration Guidelines

    • Historical Version
  23. ATIS 0300051


    Central Office Code (NXX) Assignment Guidelines (COCAG)

    • Historical Version
  24. ATIS 0300066


    Thousands-Block Number (NXX-X) Pooling Administration Guidelines

    • Historical Version
  25. ATIS 0300066


    Thousands-Block Number (NXX-X) Pooling Administration Guidelines

    • Historical Version
  26. ATIS 0300051


    Central Office Code (NXX) Assignment Guidelines (COCAG)

    • Historical Version
  27. ATIS 0300066


    Thousands-Block Number (NXX-X) Pooling Administration Guidelines

    • Historical Version
  28. ATIS 0300051


    Central Office Code (NXX) Assignment Guidelines (COCAG)

    • Historical Version
  29. ATIS 0300051


    Central Office Code (NXX) Assignment Guidelines (COCAG)

    • Historical Version
  30. ATIS 0300051


    Central Office Code (NXX) Assignment Guidelines (COCAG)

    • Historical Version
  31. ATIS 0300066


    Thousands-Block Number (NXX-X) Pooling Administration Guidelines

    • Historical Version
  32. ATIS 0300051


    Central Office Code (NXX) Assignment Guidelines (COCAG)

    • Historical Version
  33. ATIS 0300051


    Central Office Code (NXX) Assignment Guidelines (COCAG)

    • Historical Version
  34. ATIS 0300066


    Thousands-Block Number (NXX-X) Pooling Administration Guidelines

    • Historical Version
  35. ATIS 0300051


    Central Office Code (NXX) Assignment Guidelines (COCAG)

    • Historical Version
  36. ATIS 0300066


    Thousands-Block Number (NXX-X) Pooling Administration Guidelines

    • Historical Version
  37. ATIS 0300051


    Central Office Code (NXX) Assignment Guidelines (COCAG)

    • Historical Version
  38. ATIS 0300051


    Central Office Code (NXX) Assignment Guidelines (COCAG)

    • Historical Version
  39. ATIS 0300051


    Central Office Code (NXX) Assignment Guidelines (COCAG)

    • Historical Version
  40. ATIS 0300051


    Central Office Code (NXX) Assignment Guidelines (COCAG)

    • Historical Version
  41. ATIS 0300051

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    Central Office Code (NXX) Assignment Guidelines (COCAG)

    • Historical Version
  42. ATIS 0300051


    Central Office Code (NXX) Assignment Guidelines (COCAG)

    • Historical Version
  43. ATIS 0300051


    Central Office Code (NXX) Assignment Guidelines (COCAG)

    • Historical Version
  44. ATIS 0300051


    Central Office Code (NXX) Assignment Guidelines (COCAG)

    • Historical Version
  45. ATIS 0300051


    Central Office Code (NXX) Assignment Guidelines (COCAG)

    • Historical Version
  46. ATIS 0300051


    Central Office Code (NXX) Assignment Guidelines (COCAG)

    • Historical Version
  47. ATIS 0300051


    Central Office Code (NXX) Assignment Guidelines (COCAG)

    • Historical Version
  48. ATIS 0300051


    Central Office Code (NXX) Assignment Guidelines (COCAG)

    • Historical Version
  49. ATIS 0300051


    Central Office Code (NXX) Assignment Guidelines (COCAG)

    • Historical Version
  50. ATIS 0300051


    Central Office Code (NXX) Assignment Guidelines (COCAG)

    • Historical Version
  51. ATIS 0300051


    Central Office Code (NXX) Assignment Guidelines (COCAG)

    • Historical Version
  52. ATIS 0300051


    CENTRAL OFFICE CODE (NXX) ASSIGNMENT GUIDELINES (COCAG)

    • Historical Version
  53. ATIS 0300051


    CENTRAL OFFICE CODE (NXX) ASSIGNMENT GUIDELINES (COCAG)

    • Historical Version
  54. ATIS 0300051


    CENTRAL OFFICE CODE (NXX) ASSIGNMENT GUIDELINES (COCAG)

    • Historical Version
  55. ATIS 0300051


    CENTRAL OFFICE CODE (NXX) ASSIGNMENT GUIDELINES (COCAG)

    • Historical Version