Document Name: INC-2025-00133R001.docx
Description This contribution is to be used as the working document for the streamlined
ATIS-0300119, Thousands-Block (NPA-NXX-X) & Central Office Code (NPA-NXX)
Administration Guidelines. Sections highlighted green are not included in
INC-2025-00062R000 but may be needed based on a review of the current
guidelines.
R1 contains edits from the INC 193 meeting on October 29, 2025. Download Latest Revision
Submitter: Anna Karditzas Group: INC - Industry Numbering Committee Folder: 2025 Date submitted: 2025-10-29 16:29:15 Revision: 1
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Anna Karditzas
ATIS, Senior Coordinator - Global Standards Development
+1 (202) 434-8843
akarditzas@atis.org---------------------------------