Publications

Planning Letters 2008

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
PL-385 NPA 274 to Overlay NPA 920 (Wisconsin) December 22, 2008
PL-384 NPA 534 to Overlay NPA 715 (Wisconsin) December 22, 2008
PL-383 NPA 458 to Overlay NPA 541 (Oregon) November 19, 2008
PL-382 Assignment of NPA 533 for Personal Communications Services (PCS) November 3, 2008
PL-381 NPA 442 to Overlay NPA 760 (California) October 23, 2008
PL-380 Reminder to update networks with the new 575 NPA for the 505 NPA Split in New Mexico September 3, 2008
PL-379 Assignment of NPA 533 for Personal Communications Services (PCS) May 23, 2008
PL-378 NPA 747 to Overlay NPA 818 (California) May 7, 2008
PL-377 NPA 760 Split, Creating NPA 442 (California) May 7, 2008
PL-376 NPA 270 Split, Creating NPA 364 (Kentucky) - Change Start of Permissive Dialing April 11, 2008
PL-375 NPA 681 to Overlay NPA 304 (West Virginia) March 21, 2008
PL-374 NPA 587 to Overlay NPA 403 and NPA 780 (Alberta, Canada) February 27, 2008
PL-373R1 NPA 581 to Overlay NPA 418 (Quebec, Canada) February 12, 2008
PL-372 Assignment of NPA 533 for Personal Communications Services (PCS) January 3, 2008

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