Number Portability Best Practices

The members of the Number Portability Industry Forum (NPIF) formerly known as Local Number Portability Administration Working Group (LNPA WG) have created "Best Practices" for porting between and within telephony carriers. These Best Practices have not been mandated entirely, and in many cases are considered a gentleman's agreement on porting between carriers. However, many of the Best Practices were presented to the North American Number Council (NANC) for approval and, after NANC's approval, forwarded on to the FCC. Several of these Best Practices are flagged with asterisks to indicate which have been endorsed by the NANC (*) and which have been adopted by the FCC(**).

The Best Practices reflect the consensus of the NPIF regarding the preferred processes for porting. The NPIF meetings are open to all telephony carriers. Anyone attending the meetings may bring a suggested Best Practice to the group for discussion and possible inclusion in these approved Best Practices. The NPIF periodically reviews the Best Practices to determine whether each remains applicable to the current porting environment. Based on these reviews, a practice may be modified or deleted. If a Best Practice is deleted, the number of the Best Practice remains on the web site with the explanation that it was deleted.

Please Note: Best Practices 001 - 044 were developed and agreed to by the Wireless Number Portability Operations (WNPO) team.

The following is an index of the existing Number Portability Best Practices. Click on the download button for more detail.


Title Date Name Document
BP 031 02/02/2004 NSP Sending Create Message to NPAC Prior to Receiving Confirmation from OSP (* and **) Download
BP 030 02/02/2004 NPA Splits Download
BP 029 12/08/2003 DELETED -- ICP Hours of Operation Download
BP 028 10/14/2003 DELETED -- Supplemental Type 2 Usage Download
BP 027 07/10/2003 DELETED -- Retail Holiday Hours Download
BP 026 07/10/2003 DELETED -- 10-Digit Trigger Download
BP 025 04/07/2003 In-Vehicle Services, M2M and Telmatics Download
BP 024 03/10/2003 DELETED -- WICIS 2.0 Download
BP 023 02/25/2003 DELETED -- Vertical Services Database Updates Download
BP 022 11/25/2002 Wireless customers impacted by Telemarketers Download
BP 021 11/25/2002 DELETED -- Permissive Dialing Periods Download
BP 020 08/13/2002 DELETED -- NPDI Field on LSR Download
BP 019 06/10/2002 DELETED -- Clearinghouse Maintenance Windows Download
BP 018 05/14/2002 DELETED -- LSOG Version Download
BP 017 05/14/2002 LNP Troubleshooting Contacts Download
BP 016 05/14/2002 DELETED -- LRN Assignments Download
BP 015 05/14/2002 Deleted Download
BP 014 03/12/2009 Paging Codes Download
BP 013 04/09/2002 DELETED -- FCC 3rd Order on Reconsideration and NPRM (FF 02-73) Download
BP 012 04/08/2002 DELETED -- Wireless Reseller Flows Download
BP 011 03/04/2002 NPAC User Application Process v2 Download
BP 010 03/04/2002 DELETED -- No NPAC Porting Activities During the SP Maintenance Windows Download
BP 009 03/04/2002 Ensuring Timely Updates to Network Element Subsequent to NPAC Broadcasts Download
BP 008 02/04/2002 DELETED Download
BP 007 02/04/2002 Wireless Database Query Priority Download