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The Federal Communications Commission (FCC) has ordered that the wireless telecommunications providers support nationwide roaming, Wireless Number Portability (WNP) and Number Pooling by November 24, 2002. This MBI Administration Web site has all the resources required by wireless service providers who will participate in this industry expansion.

The first six-digits of the Mobile Identification Number (MIN), called the MIN Block Identifier (MBI), has traditionally matched the NPA-NXX of the Mobile Directory Number (MDN). To meet the new FCC requirements, the Cellular Telecommunications and Internet Association (CTIA) and the wireless carriers, through an open forum, came to consensus on the need to separate the MIN from the MDN and to procure a neutral third-party, Solusur, to administer MBIs in this new environment.

Some historical information on MINs and MBIs is contained here.

The MBI Oversight Council is the group that is responsible for administering the MBI Assignment Guidelines and Procedures, participating and ruling on appeals, and overseeing the operational and technical aspects of MBI Administration. The MBI Oversight Council generally meets on a quarterly basis.

Guidelines and procedures have been developed to clearly define the roles in Mobile Identification Numbers (MIN) Block Identifiers (MBIs) Administration. The current document, "MBI Assignment Guidelines and Procedures," can be obtained here.
A list of Frequently Asked Questions has been developed for your convenience and to help insure quality customer service. This list will be updated on a regular basis to address new issues as they arise, so it is beneficial to refer to it on occasion. For any other questions, please contact MBI Administration.

There are many critical dates, deadlines and/or milestones for MBI Administration and more specifically for the MBI Grandfathering process. These dates will all be maintained here.

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