NANPA Activities
NANPA Activities
NRUF
NANPA Activities
NANPA Activities
NANPA Activities
NANPA Activities
NANPA Activities

Publications

Planning Letters 2017

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-513 Sunset of the Inbound International NPA (INT/NPA/NXX) Assignment Guidelines. November 27, 2017
PL-512 NPA 367 to Overlay NPA 418/581 (eastern Quebec, Canada). November 21, 2017
PL-511 Assignment of NPA 521 for Non-Geographic Services. September 21, 2017
PL-510 NPA 658 to Overlay NPA 876 (Jamaica). August 25, 2017
PL-509 NPA 820 to Overlay NPA 805 (California) June 19, 2017
PL-508 NPA 640 to Overlay NPA 609 (New Jersey) May 26, 2017
PL-507 NPA 619 and 858 Boundary Elimination Overlay (California) May 18, 2017
PL-506 Implementation of the 833 NPA for Toll-Free Services April 26, 2017
PL-505 Assignment of NPA 521 for Non-Geographic Services March 24, 2017
PL-504 NPA 367 to Overlay NPA 418/581 (Eastern Quebec, Canada) March 17, 2017
PL-503 NPA 879 to Overlay NPA 709 (Newfoundland & Labrador, Canada) March 15, 2017
PL-502 NPA 279 to Overlay NPA 916 (California) March 8, 2017
PL-501 NPA 223 to Overlay NPA 717 (Pennsylvania) January 23, 2017

© 2017 Neustar, Inc. Legal Notice | Neutrality (pdf) | Privacy Notice | Website Guide.