Publications

Planning Letters 1993

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-93-08-002 ASSIGNMENT OF NPAC CODE "456" FOR INTERNATIONAL CARRIER IDENTIFICATION Sep 1993
IL-93-04-026 INTRODUCTION OF SERVICE AREA CODE (SAC) 600 IN CANADA Apr 1993
IL-93-04-016 INFORMATION ON THE GEORGIA 404/706 SPLIT AND THE CALIFORNIA 714/909 SPLIT Apr 1993
IL-93-01-017 STATUS OF NUMBERING PLAN AREA (NPA) CODES IN WORLD ZONE 1 Jan 1993
IL-93-01-008 NORTH AMERICAN NUMBERING PLAN ADMINISTRATOR'S PROPOSAL ON THE FUTURE OF NUMBERING IN WZ1 - SECOND EDITION Jan 1993
IL-93-01-001 NANP-SPLIT OF 215 (PENNSYLVANIA) NUMBERING PLAN AREA (NPA) Jan 1993

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