Publications

Planning Letters 1992

These Informational Letters (IL) or Planning Letters (PL) may be downloaded from this web site. These files require the use of the Adobe Acrobat Reader.

Number Subject Date
IL-92-11-024 NANP-SPLIT OF 919 (NORTH CAROLINA) NUMBERING PLAN AREA (NPA) Nov 1992
IL-92-11-022 NANP-SPLIT OF 313 (MICHIGAN) NUMBERING PLAN AREA (NPA) Nov 1992
IL-92-10-017 FUTURE WORK PLAN: NANPA'S PROPOSAL ON THE FUTURE OF NUMBERING IN WZ1 Oct 1992
IL-92-09-046 NANP-SPLIT OF 416 (ONTARIO, CANADA) NUMBERING PLAN AREA (NPA) Sept 1992
IL-92-03-068 NANP-SPLIT OF 512 (SOUTH TEXAS) NUMBERING PLAN AREA (NPA) Mar 1992
IL-92-02-022 NANP-SPLIT OF 714 (CALIFORNIA) NUMBERING PLAN AREA (NPA) Feb 1992
IL-92-01-013 NORTH AMERICAN NUMBERING PLAN ADMINISTRATOR'S PROPOSAL ON THE FUTURE OF NUMBERING IN WORLD ZONE 1 Jan 1992

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