INC - Industry Numbering Committee

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INC-2025-00132R000.docx uploaded

  • 1.  INC-2025-00132R000.docx uploaded

    Posted 10-17-2025 11:47:00 AM
    Document Name: INC-2025-00132R000.docx
    Description
    NANPA is aware of recent issues with Inter OCN transfers being approved in
    error. As a result, NANPA has added additional verification steps for the
    resource administrators to follow. However, NANPA is also receiving
    transfer letters from the outgoing/relinquishing SP with numbering
    resources not assigned to their OCN(s) and Part 1 applications from
    receiving SPs for numbering resources not included in the transfer letter.
    NANPA recognizes the importance of validating information prior to
    approving the transfer and is seeking INC’s assistance in identifying
    additional steps for all stakeholders that could be added ATIS-0300119,
    Thousands-Block (NPA-NXX-X) & Central Office Code (NPA-NXX) Administration
    Guidelines to ensure numbering resources are not transferred in error.

    NANPA suggests INC the following considerations as well as any other
    options INC can identify:

    1. Require receiving SP/SPC user to enter the outgoing/relinquishing OCN in
    NAS at the time of the transfer (Inter OCN Modification) is submitted, the
    system will validate the OCN of record.
    2. Generate an email from the system to the outgoing/relinquishing
    Block/Code Holder based on active users with the OCN in their user
    profile.
    3. Don’t allow expedites for this request type to allow sufficient time for
    the outgoing/relinquishing SP an opportunity to notify NANPA if there is an
    issue with the transfer.
    4. Suspend the request, while awaiting concurrence from the
    outgoing/relinquishing Block/Code Holder approving the transfer.
    Download Latest Revision
    Submitter: Ms. Tara Farquhar
    Group: INC - Industry Numbering Committee
    Folder: 2025
    Date submitted: 2025-10-17 15:47:23


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