What is the NPAC and how do I exchange porting information?
The Number Portability Administration Center (NPAC) is operated by Neustar, and serves as the central mediation center for all LNP activity. The NPAC Service Management System (SMS) is used by the NPAC personnel to facilitate the porting of numbers. There is a separate NPAC SMS for each of the seven traditional RBOC regions in the US and an eighth system for Canada. The systems are all physically located in Chicago, IL with a backup site in Tarrytown, NY. Every Service Provider that participates in LNP exchanges porting information with the NPAC SMS. Typically, subscription information is sent to the NPAC via the Low Tech Interface (LTI) or through the Service Provider s Service Order Administration (SOA) system. Porting notifications are received from the NPAC via the same systems. When a ported number is activated, network downloads are received from the NPAC SMS through the Service Provider s Local Service Management System (LSMS). The LTI is a Web-based screen that is accessed thro
