[Asterisk-Users] NPA NXX

Damon Estep damon at suburbanbroadband.net
Sun Mar 27 18:54:54 MST 2005


> > Does anyone have the NPA NXX list for North America in 
> comma delimited 
> > file?
> > 
> > Only looking for:
> > 
> > NPA, NXX, City, State
> > 
> > Just seems it should be available free somewhere.
> > 
> > Then comes the next step, the setting callerid name based on the 
> > NPANXX to city, state
> > 
> > -Mark
> > 

NPA-NXX does not correspond to a city/state. NPA-NXX correspond to
switches in central offices, known by CLLI codes. You might find what
your are looking for if you search for a CLLI code listing, the listing
should have the location (city state) of the the switch and the
NPA-NXX's it serves.

Be aware thought, that with local number poratability the NPA NXX can
actually point to any switch in the LATA and beyond with cellular and
VoIP.



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