So you want to be able to feed "NPANXX Count" to something that will map
the call counts on a US map.
You have anything that does NPANXX to H&V, or directly to Lat Lon, already?
Cause that's the hard part.
Cheers,
-- jra
Alas, openheatmap.org does not seem to have NPANXX as a location column
that it can translate.
I wonder if Paul Timmins could work something out with the gent.
Cheers,
-- jra
Telcodata has this available.
city-county-zip-byratecenter TelcoData - Advanced Membership Area code, exchange, State, City, County, Zip - By Ratecenter (Requires Advanced Subscription)