IIRC in older area codes in the US, the first three digits after the
area code refer to the "exchange" which covers a specific region and are
mapped to specific COs.
Could also buy a "every phone number" guide and index it to create a
reverse directory to puzzle a lot of this out, I bet. Again at least in
the US...
Example: http://www.localcallingguide.com/lca_prefix.php?npa=212
http://www.ourwebhome.com/TENP/TENproject.html
http://www.localcallingguide.com/
Ben Discoe wrote:
There are plenty of resources and services out there for geocoding from
physical address, or IP address, but i haven't seen anything for geocoding
from phone number. Any pointers?
I'm sure it's too much to hope for accurate location using the full number -
like a E-911 service would have, with access to phone company proprietary
database. But, i imagine that something much simpler should be possible
with public data, say, approximate coords from a USA area code. Perhaps
international city codes are publicly known as well.
-Ben
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