shim6 @ NANOG

Edward B. DREGER eddy+public+spam at
Tue Mar 7 18:45:33 UTC 2006

JC> Date: Tue, 7 Mar 2006 13:38:50 -0500
JC> From: John Curran

JC> Does anyone have statistics for the present prefix mobility experiment
JC> in the US with phone number portability?  It would be interesting to
JC> know what percent of personal and business numbers are now routed
JC> permanently outside their original NPA assignment area...

NPA or NXX?  With ILECs required to interconnect with CLECs, it seems 
the distinction between NPA and NXX is significant.

Of course, this brings up the issue of cellular telephony.  Perhaps we 
should see what knowledge may be gleaned from cell infrastructure.

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