When I have a call routing issue, I look up what the LRN is of the number I'm 
sending to. I then look up that NPA-NXX in telcodata.us to find who the 
incumbent is in that rate center. I then look up what the tandem information is 
for that incumbent switch. Then I know whether it is the tandem I'm connected 
to in that LATA or the other tandem. 


Telcodata.us doesn't always have that information. 


What's the path of least resistance to getting that data? 




----- 
Mike Hammett 
Intelligent Computing Solutions 
http://www.ics-il.com 



Midwest Internet Exchange 
http://www.midwest-ix.com 



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